{"id":7103,"date":"2015-03-01T19:40:56","date_gmt":"2015-03-02T00:40:56","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/?p=7103"},"modified":"2015-11-06T06:29:18","modified_gmt":"2015-11-06T11:29:18","slug":"%e0%a6%9c%e0%a6%be%e0%a6%ad%e0%a6%be%e0%a6%b8%e0%a7%8d%e0%a6%95%e0%a7%8d%e0%a6%b0%e0%a6%bf%e0%a6%aa%e0%a7%8d%e0%a6%9f-%e0%a6%a8%e0%a6%be%e0%a6%ae%e0%a7%8d%e0%a6%ac%e0%a6%be%e0%a6%b0javascript-numbers","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=7103","title":{"rendered":"\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 (JavaScript Numbers)"},"content":{"rendered":"

\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 (JavaScript Numbers)<\/h2>\n

\u09a8\u09df\u09a8 \u099a\u09a8\u09cd\u09a6\u09cd\u09b0 \u09a6\u09a4\u09cd\u09a4<\/p>\n

 <\/p>\n

\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u098f\u09b0 \u09b6\u09c1\u09a7\u09c1\u09ae\u09be\u09a4\u09cd\u09b0 \u098f\u0995 \u09a7\u09b0\u09a8\u09c7\u09b0 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u0986\u099b\u09c7\u0964 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09a6\u09b6\u09ae\u09bf\u0995 \u09a6\u09bf\u09df\u09c7 \u09ac\u09be \u09a8\u09be \u09a6\u09bf\u09df\u09c7\u0993 \u09b2\u09c7\u0996\u09be \u09af\u09be\u09df\u0964<\/p>\n

\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0<\/h2>\n

\u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09a6\u09b6\u09ae\u09bf\u0995 \u09a6\u09bf\u09df\u09c7 \u09ac\u09be \u09a8\u09be \u09a6\u09bf\u09df\u09c7\u0993 \u09b2\u09c7\u0996\u09be \u09af\u09be\u09df\u0983<\/p>\n

\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n

\n

var x = 34.00;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/ A number with decimals
\nvar y = 34;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/ A number without decimals<\/p>\n

\n

 <\/p>\n

 <\/p>\n

\u0985\u09a4\u09bf\u09b0\u09bf\u0995\u09cd\u09a4 \u09ac\u09a1\u09bc \u09ac\u09be \u0985\u09a4\u09bf\u09b0\u09bf\u0995\u09cd\u09a4 \u099b\u09cb\u099f \u09b8\u0982\u0996\u09cd\u09af\u09be \u09ac\u09c8\u099c\u09cd\u099e\u09be\u09a8\u09bf\u0995 (\u09b8\u09c2\u099a\u0995) \u09b8\u09cd\u09ac\u09b0\u09b2\u09bf\u09aa\u09bf \u09a6\u09bf\u09df\u09c7 \u09b2\u09c7\u0996\u09be \u09af\u09c7\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964<\/p>\n

\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n

\n
var x = 123e5;    \/\/ 12300000\r\n var y = 123e-5;  \/\/ 0.00123<\/pre>\n
\n
 <\/p>\n
 <\/p>\n
\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09b8\u09b0\u09cd\u09ac\u09a6\u09be 64 \u09ac\u09bf\u099f \u09ab\u09cd\u09b2\u09cb\u099f\u09bf\u0982 \u09aa\u09af\u09bc\u09c7\u09a8\u09cd\u099f \u09b9\u09af\u09bc<\/h2>\n
\u0985\u09a8\u09cd\u09af\u09be\u09a8\u09cd\u09af \u0985\u09a8\u09c7\u0995 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09bf\u0982 \u09ad\u09be\u09b7\u09be \u09a5\u09c7\u0995\u09c7 \u09ad\u09bf\u09a8\u09cd\u09a8, \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09a7\u09b0\u09a8\u09c7\u09b0 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09b8\u0982\u099c\u09cd\u099e\u09be\u09af\u09bc\u09bf\u09a4 \u0995\u09b0\u09c7\u09a8\u09be; \u09af\u09c7\u09ae\u09a8- \u0987\u09a8\u09cd\u099f\u09bf\u099c\u09be\u09b0, \u099b\u09cb\u099f, \u09b2\u09ae\u09cd\u09ac\u09be, \u09ab\u09cd\u09b2\u09cb\u099f\u09bf\u0982-\u09aa\u09af\u09bc\u09c7\u09a8\u09cd\u099f \u0987\u09a4\u09cd\u09af\u09be\u09a6\u09bf\u0964
\n\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09b8\u09ac\u09b8\u09ae\u09af\u09bc \u0986\u09a8\u09cd\u09a4\u09b0\u09cd\u099c\u09be\u09a4\u09bf\u0995 \u0986\u0987\u0987\u0987\u0987 754 \u09ae\u09be\u09a8 \u0985\u09a8\u09c1\u09b8\u09b0\u09a3 \u0995\u09b0\u09c7, \u09a1\u09ac\u09b2 \u09b8\u09cd\u09aa\u09b7\u09cd\u099f\u09a4\u09be\u09b0 \u09ab\u09cd\u09b2\u09cb\u099f\u09bf\u0982 \u09aa\u09af\u09bc\u09c7\u09a8\u09cd\u099f \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u09b8\u0982\u09b0\u0995\u09cd\u09b7\u09a3 \u0995\u09b0\u09be \u09b9\u09af\u09bc\u0964
\n\u098f\u0987 \u09ab\u09b0\u09ae\u09cd\u09af\u09be\u099f 64 \u09ac\u09bf\u099f \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09ac\u09bf\u09a8\u09cd\u09af\u09be\u09b8 \u0995\u09b0\u09c7 \u09af\u09c7\u0996\u09be\u09a8\u09c7 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 (\u09ad\u0997\u09cd\u09a8\u09be\u0982\u09b6) 0 \u09a5\u09c7\u0995\u09c7 51 \u09ac\u09bf\u09cd\u099f\u09c7\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u09b8\u0982\u09b0\u0995\u09cd\u09b7\u09bf\u09a4 \u09b9\u09af\u09bc\u0964 \u09ac\u09bf\u099f\u09c7\u09b0 \u09b8\u09c2\u099a\u0995 52 \u09a5\u09c7\u0995\u09c7 62 \u098f\u09ac\u0982 \u09ac\u09bf\u099f\u09c7\u09b0 \u09b8\u09be\u0987\u09a8 \u0987\u09a8 63 \u09b9\u09df\u0964<\/p>\n
 <\/p>\n\n\n\n\n\n
\u09ae\u09be\u09a8 (\u0993\u09b0\u09ab\u09c7 \u09ad\u0997\u09cd\u09a8\u09be\u0982\u09b6 \/ \u0985\u0982\u09b6\u0995)<\/td>\n52 bits (0 – 51)<\/td>\n<\/tr>\n
\u09b8\u09c2\u099a\u0995<\/td>\n11 bits (52 – 62)<\/td>\n<\/tr>\n
\u09b8\u09be\u0987\u09a8<\/td>\n1 bit (63)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
 <\/p>\n
\u09af\u09a5\u09be\u09b0\u09cd\u09a5\u09a4\u09be<\/h2>\n
\u0987\u09a8\u09cd\u099f\u09bf\u099c\u09be\u09b0 (\u09a8\u09bf\u09b0\u09cd\u09a6\u09bf\u09b7\u09cd\u099f \u09b8\u09ae\u09af\u09bc\u09c7\u09b0 \u09ac\u09be \u09b8\u09c2\u099a\u0995 \u09b8\u09cd\u09ac\u09b0\u09b2\u09bf\u09aa\u09bf \u099b\u09be\u09a1\u09bc\u09be \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0) 15 \u09b8\u0982\u0996\u09cd\u09af\u09be\u09b0 \u09aa\u09b0\u09cd\u09af\u09a8\u09cd\u09a4 \u09b8\u09a0\u09bf\u0995 \u09ac\u09b2\u09c7 \u09ae\u09a8\u09c7 \u0995\u09b0\u09be \u09b9\u09af\u09bc\u0964<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
var x = 999999999999999;      \/\/ x will be 999999999999999\r\n var y = 9999999999999999;    \/\/ y will be 10000000000000000<\/pre>\n
\n
 <\/p>\n
 <\/p>\n
\u09a6\u09b6\u09ae\u09bf\u0995 \u09b8\u09b0\u09cd\u09ac\u09cb\u099a\u09cd\u099a \u09b8\u0982\u0996\u09cd\u09af\u09be 17 \u0995\u09bf\u09a8\u09cd\u09a4\u09c1 \u09aa\u09be\u099f\u09c0\u0997\u09a3\u09bf\u09a4\u09c0\u09df \u09ab\u09cd\u09b2\u09cb\u099f\u09bf\u0982 \u09aa\u09af\u09bc\u09c7\u09a8\u09cd\u099f \u09b8\u09ac\u09b8\u09ae\u09af\u09bc 100% \u09b8\u09a0\u09bf\u0995 \u09b9\u09df\u09a8\u09be\u0964<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
var x = 0.2 + 0.1;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/ x will be 0.30000000000000004<\/pre>\n
\n
 <\/p>\n
 <\/p>\n
\u0989\u09aa\u09b0\u09c7 \u09b8\u09ae\u09b8\u09cd\u09af\u09be \u09b8\u09ae\u09be\u09a7\u09be\u09a8 \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af, \u098f\u099f\u09bf \u09b8\u0982\u0996\u09cd\u09af\u09be\u09ac\u09c3\u09a6\u09cd\u09a7\u09bf \u098f\u09ac\u0982 \u09a1\u09bf\u09ad\u09be\u0987\u09a1 \u0995\u09b0\u09a4\u09c7 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af \u0995\u09b0\u09c7\u0983<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
var x = (0.2 * 10 + 0.1 * 10) \/ 10;           \/\/ x will be 0.3<\/pre>\n
\n
 <\/p>\n
 <\/p>\n
\u09b9\u09c7\u0995\u09cd\u09b8\u09be\u09a1\u09c7\u09b8\u09bf\u09ae\u09c7\u09b2<\/h2>\n
\u09af\u09a6\u09bf \u09a4\u09be\u09b0\u09be 0x \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09aa\u09c2\u09b0\u09cd\u09ac\u09c7 \u09b9\u09af\u09bc \u09a4\u09be\u09b9\u09b2\u09c7 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09b9\u09c7\u0995\u09cd\u09b8\u09be\u09a1\u09c7\u09b8\u09bf\u09ae\u09be\u09b2 \u09b9\u09bf\u09b8\u09be\u09ac\u09c7 \u09b8\u09be\u0982\u0996\u09cd\u09af\u09bf\u0995 \u09a7\u09cd\u09b0\u09c1\u09ac\u0995 \u09ac\u09cd\u09af\u09be\u0996\u09cd\u09af\u09be \u0995\u09b0\u09c7\u0964<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
var x = 0xFF;        \/\/ x will be 255<\/pre>\n
\n
 <\/p>\n
[ \u09b2\u09bf\u09a1\u09bf\u0982 \u09b6\u09c2\u09a8\u09cd\u09af (\u09af\u09c7\u09ae\u09a8 07) \u09a6\u09bf\u09df\u09c7 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09b2\u09bf\u0996\u09ac\u09c7\u09a8 \u09a8\u09be\u0964 ]<\/p>\n
\u09a1\u09bf\u09ab\u09b2\u09cd\u099f\u09b0\u09c2\u09aa\u09c7, \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09ac\u09c7\u09b8 10 \u09a6\u09b6\u09ae\u09bf\u0995 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09b9\u09bf\u09b8\u09be\u09ac\u09c7 \u09aa\u09cd\u09b0\u09a6\u09b0\u09cd\u09b6\u09a8 \u0995\u09b0\u09c7\u0964 \u0995\u09bf\u09a8\u09cd\u09a4\u09c1 \u09ac\u09c7\u09b8 16 (\u09b9\u09c7\u0995\u09cd\u09b8), \u09ac\u09c7\u09b8 8 (\u0985\u0995\u099f\u09cd\u09af\u09be\u09b2), \u09ac\u09be \u09ac\u09c7\u09b8 2 (\u09ac\u09be\u0987\u09a8\u09be\u09b0\u09bf) \u09b9\u09bf\u09b8\u09be\u09ac\u09c7 \u0986\u0989\u099f\u09aa\u09c1\u099f toString() \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u09a8\u0964<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
var myNumber = 128;\r\n myNumber.toString(16);     \/\/ returns 80\r\n myNumber.toString(8);      \/\/ returns 200\r\n myNumber.toString(2);      \/\/ returns 10000000<\/pre>\n
\n
 <\/p>\n
 <\/p>\n
\u0985\u09b8\u09c0\u09ae<\/h2>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
var myNumber = 2;\r\n while (myNumber != Infinity) {          \/\/ Execute until Infinity\r\n myNumber = myNumber * myNumber;\r\n }<\/pre>\n
\n
 <\/p>\n
 <\/p>\n
0 (\u09b6\u09c2\u09a8\u09cd\u09af) \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09ad\u09be\u0997 \u0995\u09b0\u09c7\u0993 \u0985\u09b8\u09c0\u09ae \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09be \u09af\u09be\u09df\u0964<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
var x = 2 \/ 0;         \/\/ x will be Infinity\r\n var y = -2 \/ 0;       \/\/ y will be -Infinity<\/pre>\n
\n
 <\/p>\n
 <\/p>\n
\u0985\u09b8\u09c0\u09ae \u098f\u0995\u099f\u09bf \u09b8\u0982\u0996\u09cd\u09af\u09be\u0964 \u0985\u09b8\u09c0\u09ae typeOf \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09aa\u09cd\u09b0\u09a6\u09be\u09a8 \u0995\u09b0\u09c7\u0964<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
typeof Infinity;       \/\/ returns \"number\"<\/pre>\n
\n
 <\/p>\n
 <\/p>\n
NaN – \u0995\u09cb\u09a8 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09a8\u09df<\/h2>\n
NaN \u098f\u0995\u099f\u09bf \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09b8\u0982\u09b0\u0995\u09cd\u09b7\u09bf\u09a4 \u09b6\u09ac\u09cd\u09a6 \u098f\u0995\u099f\u09bf \u09ae\u09be\u09a8 \u09af\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6 \u0995\u09b0\u09c7 \u09af\u09be \u0995\u09cb\u09a8 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09a8\u09df\u0964 \u098f\u0995\u099f\u09bf \u0985-\u09b8\u09be\u0982\u0996\u09cd\u09af\u09bf\u0995 \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u09b8\u0999\u09cd\u0997\u09c7 \u0997\u09be\u09a3\u09bf\u09a4\u09bf\u0995 \u0995\u09be\u099c \u0995\u09b0\u09be\u09b0 \u099a\u09c7\u09b7\u09cd\u099f\u09be \u0995\u09b0\u09c7\u09b2\u09c7 \u09b0\u09c7\u099c\u09be\u09b2\u09cd\u099f NaN(\u0995\u09cb\u09a8 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09a8\u09df) \u09b9\u09ac\u09c7\u0964<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
var x = 100 \/ \"Apple\";\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/ x will be NaN (Not a Number)<\/pre>\n
\n
 <\/p>\n
 <\/p>\n
\u09af\u09be\u0987\u09b9\u09cb\u0995, \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u098f\u09b0 \u098f\u0995\u099f\u09bf \u09b8\u09be\u0982\u0996\u09cd\u09af\u09bf\u0995 \u09ae\u09be\u09a8 \u09b0\u09af\u09bc\u09c7\u099b\u09c7\u0964 \u09b0\u09c7\u099c\u09be\u09a8\u09cd\u099f \u098f\u0995\u099f\u09bf \u09b8\u0982\u0996\u09cd\u09af\u09be \u09b9\u09ac\u09c7\u0983<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
var x = 100 \/ \"10\";       \/\/ x will be 10<\/pre>\n
\n
 <\/p>\n
 <\/p>\n
\u09ae\u09be\u09a8 \u098f\u0995\u099f\u09bf \u09b8\u0982\u0996\u09cd\u09af\u09be \u09b9\u09df \u09a4\u09be\u09b9\u09b2\u09c7 \u0986\u09aa\u09a8\u09bf \u0997\u09cd\u09b2\u09cb\u09ac\u09be\u09b2 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09ab\u09be\u0982\u09b6\u09a8 isNaN() \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7 \u09a4\u09be \u0996\u09c1\u0981\u099c\u09c7 \u09ac\u09c7\u09b0 \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u09a8\u0964<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
var x = 100 \/ \"Apple\";\r\n isNaN(x);                \/\/ returns true because x is Not a Number<\/pre>\n
\n
 <\/p>\n
 <\/p>\n
NaN \u09a6\u09c7\u0996\u09c1\u09a8\u0964 \u0986\u09aa\u09a8\u09bf \u09af\u09a6\u09bf \u0997\u09be\u09a3\u09bf\u09a4\u09bf\u0995 \u0985\u09aa\u09be\u09b0\u09c7\u09b6\u09a8 \u098f\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 NaN \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7\u09a8 \u09a4\u09be\u09b9\u09b2\u09c7 \u09b0\u09c7\u099c\u09be\u09b2\u09cd\u099f \u09a8\u09bf\u09ae\u09cd\u09a8\u09b0\u09c2\u09aa \u09b9\u09ac\u09c7\u0983<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
 var x = NaN;\r\n var y = 5;\r\n var z = x + y;     \/\/ z will be NaN<\/pre>\n
\n
 <\/p>\n
 <\/p>\n
NaN \u098f\u0995\u099f\u09bf \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0\u0964 typeOf NaN \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09aa\u09cd\u09b0\u09a6\u09be\u09a8 \u0995\u09b0\u09c7\u0964<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
typeof NaN;         \/\/ returns \"number\"<\/pre>\n
\n
 <\/p>\n
 <\/p>\n
\u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f\u0993 \u09b9\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7<\/h2>\n
\u09b8\u09be\u09a7\u09be\u09b0\u09a3\u09a4 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09b8\u0982\u0996\u09cd\u09af\u09be \u09b2\u09bf\u099f\u09be\u09b0\u09c7\u09b2 \u09a5\u09c7\u0995\u09c7 \u09a4\u09c8\u09b0\u09bf \u0986\u09a6\u09bf\u09ae \u09ae\u09be\u09a8\u0983 var x = 123
\n\u0995\u09bf\u09a8\u09cd\u09a4\u09c1 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0\u0995\u09c7 \u09a8\u09a4\u09c1\u09a8 \u09b6\u09ac\u09cd\u09a6 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f \u09b9\u09bf\u09b8\u09be\u09ac\u09c7\u0993 \u09b8\u0982\u099c\u09cd\u099e\u09be\u09af\u09bc\u09bf\u09a4 \u0995\u09b0\u09cb \u09af\u09c7\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0983 var y = new Number(123)<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
var x = 123;\r\n var y = new Number(123);<\/pre>\n
          \/\/ typeof x returns number\r\n          \/\/ typeof y returns object<\/pre>\n
\n
 <\/p>\n
 <\/p>\n
\u0995\u0996\u09a8\u0993 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09ac\u09c7\u09a8 \u09a8\u09be\u0964 \u09a4\u09be\u09b0\u09be \u09b8\u099e\u09cd\u099a\u09be\u09b2\u09a8\u09c7\u09b0 \u0997\u09a4\u09bf \u09ae\u09a8\u09cd\u09a5\u09b0 \u098f\u09ac\u0982 \u0995\u09a6\u09b0\u09cd\u09af \u09aa\u09be\u09b0\u09cd\u09b6\u09cd\u09ac \u09aa\u09cd\u09b0\u09a4\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be \u09b8\u09c3\u09b7\u09cd\u099f\u09bf \u0995\u09b0\u09c7\u0964
\n\u09af\u0996\u09a8 \u09b8\u09ae\u09a4\u09be == \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7\u09a8 \u09a4\u0996\u09a8 \u09b8\u09ae\u09be\u09a8 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09b8\u09ae\u09be\u09a8 \u09a6\u09c7\u0996\u09be\u09af\u09bc:<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
var x = 500;\r\n var y = new Number(500);<\/pre>\n
\/\/ (x == y) is true because x and y have equal values<\/pre>\n
\n
 <\/p>\n
 <\/p>\n
\u09af\u0996\u09a8 \u09b8\u09ae\u09a4\u09be === \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7\u09a8 \u09a4\u0996\u09a8 \u09b8\u09ae\u09be\u09a8 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09b8\u09ae\u09be\u09a8 \u09b9\u09df\u09a8\u09be \u0995\u09be\u09b0\u09a3 === \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0 \u099f\u09be\u0987\u09aa \u098f\u09ac\u0982 \u09ae\u09be\u09a8 \u0989\u09ad\u09af\u09bc \u09b8\u09ae\u09a4\u09be \u09ac\u09bf\u09ac\u09c7\u099a\u09a8\u09be \u0995\u09b0\u09c7\u0964<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
var x = 500;\r\n var y = new Number(500);<\/pre>\n
\/\/ (x === y) is false because x and y have different types<\/pre>\n
\n
 <\/p>\n
 <\/p>\n
\u0985\u09a5\u09ac\u09be \u098f\u09ae\u09a8\u0995\u09bf \u0996\u09be\u09b0\u09be\u09aa. \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f\u09b8 \u09a4\u09c1\u09b2\u09a8\u09be \u0995\u09b0\u09be \u09af\u09be\u09ac\u09c7 \u09a8\u09be\u0983<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
var x = new Number(500);\r\n var y = new Number(500);<\/pre>\n
\/\/ (x == y) is false because objects cannot be compared<\/pre>\n
\n
 <\/p>\n
\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f\u09b8 \u09a4\u09c1\u09b2\u09a8\u09be \u0995\u09b0\u09be \u09af\u09be\u09df \u09a8\u09be\u0964<\/p>\n
 <\/p>\n
\u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09aa\u09cd\u09b0\u09cb\u09aa\u09be\u09b0\u09cd\u099f\u09bf \u098f\u09ac\u0982 \u09ae\u09c7\u09a5\u09a1<\/h2>\n
\u0986\u09a6\u09bf\u09ae \u09ae\u09be\u09a8\u09c7\u09b0 (3.14 \u09ac\u09be 2014 \u098f\u09b0 \u09ae\u09a4) \u09ac\u09c8\u09b6\u09bf\u09b7\u09cd\u099f\u09cd\u09af \u0993 \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u09a5\u09be\u0995\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7 \u09a8\u09be(\u0995\u09be\u09b0\u09a3 \u09a4\u09be\u09b0\u09be \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f \u09a8\u09be) \u0964<\/p>\n
\u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09aa\u09cd\u09b0\u09cb\u09aa\u09be\u09b0\u09cd\u099f\u09bf<\/h3>\n\n\n\n\n\n\n\n\n
\u09aa\u09cd\u09b0\u09cb\u09aa\u09be\u09b0\u09cd\u099f\u09bf<\/td>\n\u09ac\u09cd\u09af\u09be\u0996\u09cd\u09af\u09be<\/td>\n<\/tr>\n
MAX_VALUE<\/td>\n\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u098f \u09b8\u09ae\u09cd\u09ad\u09ac \u098f\u09ae\u09a8 \u09ac\u09c3\u09b9\u09a4\u09cd\u09a4\u09ae \u09b8\u0982\u0996\u09cd\u09af\u09be \u09aa\u09cd\u09b0\u09a6\u09be\u09a8 \u0995\u09b0\u09c7\u0964<\/td>\n<\/tr>\n
MIN_VALUE<\/td>\n\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u098f \u09b8\u09ae\u09cd\u09ad\u09ac \u098f\u09ae\u09a8 \u0995\u09cd\u09b7\u09c1\u09a6\u09cd\u09b0\u09a4\u09ae \u09b8\u0982\u0996\u09cd\u09af\u09be \u09aa\u09cd\u09b0\u09a6\u09be\u09a8 \u0995\u09b0\u09c7\u0964<\/td>\n<\/tr>\n
NEGATIVE_INFINITY<\/td>\n\u0985\u09b8\u09c0\u09ae\u09c7 \u09a8\u09c7\u0997\u09c7\u099f\u09bf\u09ad \u09aa\u09cd\u09b0\u09a4\u09bf\u09a8\u09bf\u09a7\u09bf\u09a4\u09cd\u09ac \u0995\u09b0\u09c7\u0964<\/td>\n<\/tr>\n
NaN<\/td>\n\u098f\u0995\u099f\u09bf “\u09b8\u0982\u0996\u09cd\u09af\u09be \u09a8\u09df” \u09ae\u09be\u09a8 \u09aa\u09cd\u09b0\u09a4\u09bf\u09a8\u09bf\u09a7\u09bf\u09a4\u09cd\u09ac \u0995\u09b0\u09c7\u0964<\/td>\n<\/tr>\n
POSITIVE_INFINITY<\/td>\n\u0985\u09b8\u09c0\u09ae \u09aa\u09cd\u09b0\u09a4\u09bf\u09a8\u09bf\u09a7\u09bf\u09a4\u09cd\u09ac \u0995\u09b0\u09c7\u0964<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
 <\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
var x = Number.MAX_VALUE;<\/p>\n
\n
 <\/p>\n
\u098f\u0987 \u09aa\u09cd\u09b0\u09cb\u09aa\u09be\u09b0\u09cd\u099f\u09bf\u09b8 \u09b6\u09c1\u09a7\u09c1\u09ae\u09be\u09a4\u09cd\u09b0 Number.MAX_VALUE \u09b9\u09bf\u09b8\u09c7\u09ac\u0993 \u0993\u09df\u09be\u0995\u09cd\u09b8\u09c7\u09b8 \u0995\u09b0\u09be \u09af\u09c7\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964<\/p>\n
myNumber.MAX_VALUE, \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7, \u09af\u09c7\u0996\u09be\u09a8\u09c7 MyNumber \u098f\u0995\u099f\u09bf \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8\u09b6\u09c0\u09b2, \u0985\u09ad\u09bf\u09ac\u09cd\u09af\u0995\u09cd\u09a4\u09bf, \u0985\u09a5\u09ac\u09be \u09ae\u09be\u09a8 \u09a4\u09be \u0985\u09a8\u09bf\u09b0\u09cd\u09a7\u09be\u09b0\u09bf\u09a4 \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u09ab\u09bf\u09b0\u09c7 \u0986\u09b8\u09c7\u0964<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
var x = 6;
\nvar y = x.MAX_VALUE; \/\/ y becomes undefined<\/p>\n
\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 (JavaScript Numbers) \u09a8\u09df\u09a8 \u099a\u09a8\u09cd\u09a6\u09cd\u09b0 \u09a6\u09a4\u09cd\u09a4   \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u098f\u09b0 \u09b6\u09c1\u09a7\u09c1\u09ae\u09be\u09a4\u09cd\u09b0 \u098f\u0995 \u09a7\u09b0\u09a8\u09c7\u09b0 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u0986\u099b\u09c7\u0964 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09a6\u09b6\u09ae\u09bf\u0995 \u09a6\u09bf\u09df\u09c7 \u09ac\u09be \u09a8\u09be \u09a6\u09bf\u09df\u09c7\u0993 \u09b2\u09c7\u0996\u09be \u09af\u09be\u09df\u0964 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09a6\u09b6\u09ae\u09bf\u0995 \u09a6\u09bf\u09df\u09c7 \u09ac\u09be \u09a8\u09be \u09a6\u09bf\u09df\u09c7\u0993 \u09b2\u09c7\u0996\u09be \u09af\u09be\u09df\u0983 \u0989\u09a6\u09be\u09b9\u09b0\u09a3 var x = 34.00;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/ A number with decimals var y = 34;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/ A number without decimals     \u0985\u09a4\u09bf\u09b0\u09bf\u0995\u09cd\u09a4 … <\/p>\n
Continue reading<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[65],"tags":[7,786,750,738,753,727,506,787],"class_list":["post-7103","post","type-post","status-publish","format-standard","hentry","category-javascript-complete-courses","tag-javascript","tag-numbers","tag-750","tag-738","tag-753","tag-727","tag-506","tag-787","item-wrap"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":7106,"url":"http:\/\/bangla.sitestree.com\/?p=7106","url_meta":{"origin":7103,"position":0},"title":"\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09ae\u09c7\u09a5\u09a1 (JavaScript Number Methods)","author":"Author-Check- Article-or-Video","date":"April 1, 2015","format":false,"excerpt":"\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09b8\u0982\u0996\u09cd\u09af\u09be \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u09a8\u09df\u09a8 \u099a\u09a8\u09cd\u09a6\u09cd\u09b0 \u09a6\u09a4\u09cd\u09a4 \u00a0 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u0986\u09aa\u09a8\u09be\u0995\u09c7 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09a8\u09bf\u09df\u09c7 \u0995\u09be\u099c \u0995\u09b0\u09a4\u09c7 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af \u0995\u09b0\u09ac\u09c7\u0964 \u0997\u09cd\u09b2\u09cb\u09ac\u09be\u09b2 \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u0997\u09cd\u09b2\u09cb\u09ac\u09be\u09b2 \u09ab\u09be\u0982\u09b6\u09a8 \u09b8\u09ae\u09b8\u09cd\u09a4 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09a1\u09c7\u099f\u09be \u099f\u09be\u0987\u09aa\u09c7 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\u09a1\u09c7\u09ad\u09c7\u09b2\u09aa\u09be\u09b0 \u00a0 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09a1\u09c7\u099f\u09be \u099f\u09be\u0987\u09aa\u09c7\u09b0 \u09a7\u09be\u09b0\u09a8\u09be \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f\u09c7 \u09a1\u09c7\u099f\u09be \u099f\u09be\u0987\u09aa \u098f\u0995\u099f\u09bf \u0997\u09c1\u09b0\u09c1\u09a4\u09cd\u09ac\u09aa\u09c2\u09b0\u09cd\u09a3 \u09ac\u09bf\u09b7\u09df\u0964 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u098f\u09b0 \u09a1\u09c7\u099f\u09be \u099f\u09be\u0987\u09aa \u0997\u09c1\u09b2\u09cb \u09b9\u09b2\u0983 (String, Number, Boolean, Array, Object.) \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982, \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0, \u09ac\u09c1\u09b2\u09bf\u09af\u09bc\u09be\u09a8, \u0985\u09cd\u09af\u09be\u09b0\u09c7, \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f \u0964 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09bf\u0982 \u0995\u09b0\u09a4\u09c7 \u098f\u0987 \u099f\u09be\u0987\u09aa\u0997\u09c1\u09b2\u09cb \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be\u2026","rel":"","context":"In "JavaScript"","block_context":{"text":"JavaScript","link":"http:\/\/bangla.sitestree.com\/?cat=65"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7134,"url":"http:\/\/bangla.sitestree.com\/?p=7134","url_meta":{"origin":7103,"position":2},"title":"\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u099f\u09be\u0987\u09aa \u09b0\u09c2\u09aa\u09be\u09a8\u09cd\u09a4\u09b0\u0995\u09b0\u09a3 (JavaScript Type Conversion)","author":"Author-Check- Article-or-Video","date":"April 1, 2015","format":false,"excerpt":"\u0986\u09a6\u09a8\u09be\u09a8 \u09a8\u09be\u09b9\u09bf\u09a6 \u09b8\u09b0\u0995\u09be\u09b0\u09bf \u09a4\u09bf\u09a4\u09c1\u09ae\u09c0\u09b0 \u0995\u09b2\u09c7\u099c \u00a0 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09a5\u09c7\u0995\u09c7 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0\u09c7 \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8, \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u09a5\u09c7\u0995\u09c7 \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u098f \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8, \u09ac\u09c1\u09b2\u09bf\u09af\u09bc\u09be\u09a8 \u09a5\u09c7\u0995\u09c7 \u09ac\u09c1\u09b2\u09bf\u09df\u09be\u09a8\u09c7 \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8 \u0995\u09b0\u09be \u09af\u09be\u09df \u0964 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09a1\u09c7\u099f\u09be \u09aa\u09cd\u09b0\u0995\u09be\u09b0\u09ad\u09c7\u09a6 \u09ae\u09be\u09a8 \u09a7\u09be\u09b0\u09a3 \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f\u09c7 \u098f\u09ae\u09a8 5 \u09a7\u09b0\u09a8\u09c7\u09b0 \u09a1\u09be\u099f\u09be \u099f\u09be\u0987\u09aa \u0986\u099b\u09c7: \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09ac\u09c1\u09b2\u09bf\u09af\u09bc\u09be\u09a8 \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f \u09ab\u09be\u0982\u09b6\u09a8 \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f \u09e9 \u09a7\u09b0\u09a8\u09c7\u09b0 \u09b9\u09af\u09bc: \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f \u09a4\u09be\u09b0\u09bf\u0996 \u0985\u09cd\u09af\u09be\u09b0\u09c7 \u09ac\u09be \u09b6\u09cd\u09b0\u09c7\u09a3\u09c0\u09ac\u09bf\u09a8\u09cd\u09af\u09be\u09b8\u2026","rel":"","context":"In "JavaScript"","block_context":{"text":"JavaScript","link":"http:\/\/bangla.sitestree.com\/?cat=65"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7071,"url":"http:\/\/bangla.sitestree.com\/?p=7071","url_meta":{"origin":7103,"position":3},"title":"\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09b8\u09bf\u09a8\u099f\u09cd\u09af\u09be\u0995\u09cd\u09b8 (JavaScript Syntax)","author":"Author-Check- Article-or-Video","date":"March 21, 2015","format":false,"excerpt":"\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09b8\u09bf\u09a8\u099f\u09cd\u09af\u09be\u0995\u09cd\u09b8 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09b8\u09bf\u09a8\u099f\u09cd\u09af\u09be\u0995\u09cd\u09b8 \u09b9\u09b2\u09cb \u0995\u09bf\u099b\u09c1 \u09a8\u09bf\u09df\u09ae\u09c7\u09b0 \u09b8\u09ae\u09b7\u09cd\u099f\u09bf, \u098f\u0987 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae \u0995\u09bf\u09ad\u09be\u09ac\u09c7 \u0995\u09be\u099c \u0995\u09b0\u09c7 \u09b8\u09bf\u09a8\u099f\u09cd\u09af\u09be\u0995\u09cd\u09b8\u09c7\u09b0 \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7 \u09a4\u09be\u0987 \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6 \u0995\u09b0\u09be \u09b9\u09df\u0964 \u00a0 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae \u0995\u09ae\u09cd\u09aa\u09bf\u0989\u099f\u09be\u09b0 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae \u09b9\u09b2\u09cb \u0995\u09ae\u09cd\u09aa\u09bf\u0989\u099f\u09be\u09b0\u09c7\u09b0 \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7 \u0995\u09cb\u09a8 \u0995\u09be\u099c \u09b8\u09ae\u09cd\u09aa\u09be\u09a6\u09a8 \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u09aa\u09cd\u09b0\u09df\u09cb\u099c\u09a8\u09c0\u09df \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09b8\u09ae\u09c2\u09b9\u09c7\u09b0 \u09b2\u09bf\u09b8\u09cd\u099f\u0964 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09bf\u0982 \u09b2\u09c7\u0999\u09cd\u0997\u09c1\u09df\u09c7\u099c\u09c7\u09b0 \u098f \u09b8\u0995\u09b2 \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09b8\u09ae\u09c2\u09b9\u0995\u09c7 \u09ac\u09b2\u09be \u09b9\u09df \u09b8\u09cd\u099f\u09c7\u099f\u09ae\u09c7\u09a8\u09cd\u099f\u0964 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f\u0993 \u098f\u0995\u099f\u09bf \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09bf\u0982 \u09b2\u09c7\u0999\u09cd\u0997\u09c1\u09df\u09c7\u099c\u0964 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f\u09c7\u09b0 \u09b8\u09cd\u099f\u09c7\u099f\u09ae\u09c7\u09a8\u09cd\u099f\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b8\u09c7\u09ae\u09bf\u0995\u09cb\u09b2\u09a8\u2026","rel":"","context":"In "JavaScript"","block_context":{"text":"JavaScript","link":"http:\/\/bangla.sitestree.com\/?cat=65"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7079,"url":"http:\/\/bangla.sitestree.com\/?p=7079","url_meta":{"origin":7103,"position":4},"title":"\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0\u09b8 (JavaScript Operators)","author":"Author-Check- Article-or-Video","date":"March 16, 2015","format":false,"excerpt":"\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0\u09b8 (JavaScript Operators) \u0989\u09a6\u09be\u09b9\u09b0\u09a3 \u09a6\u09c1\u099f\u09bf \u09ad\u09cd\u09af\u09be\u09b2\u09c1\u0995\u09c7 variable \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u0998\u09cb\u09b7\u09a3\u09be \u0995\u09b0\u09c7 \u09a4\u09be\u09a6\u09c7\u09b0 \u09af\u09cb\u0997 \u0995\u09b0\u09be \u09b9\u09df\u09c7\u099b\u09c7 var x = 5; \/\/ \u098f\u0987\u0996\u09be\u09a8\u09c7 \u09eb \u0995\u09c7 x \u0998\u09cb\u09b7\u09a3\u09be \u0995\u09b0\u09be \u09b9\u09df\u09c7\u099b\u09c7 var y = 2; \/\/ \u098f\u0987\u0996\u09be\u09a8\u09c7 \u09e8 \u0995\u09c7 y \u0998\u09cb\u09b7\u09a3\u09be \u0995\u09b0\u09be \u09b9\u09df\u09c7\u099b\u09c7 var z = x + y; \/\/ \u09ab\u09b2\u09be\u09ab\u09b2 \u09ed \u0995\u09c7 z\u2026","rel":"","context":"In "JavaScript"","block_context":{"text":"JavaScript","link":"http:\/\/bangla.sitestree.com\/?cat=65"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7108,"url":"http:\/\/bangla.sitestree.com\/?p=7108","url_meta":{"origin":7103,"position":5},"title":"\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09ae\u09cd\u09af\u09be\u09a5 \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f (JavaScript Math Object)","author":"Author-Check- Article-or-Video","date":"March 17, 2015","format":false,"excerpt":"\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09ae\u09cd\u09af\u09be\u09a5 \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f (JavaScript Math Object) \u09ae\u09cd\u09af\u09be\u09a5 \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f\u09c7\u09b0 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af\u09c7 \u09b8\u0982\u0996\u09be \u0993 \u09ae\u09cd\u09af\u09be\u09a5\u09ae\u09c7\u099f\u09bf\u0995\u09be\u09b2 \u099f\u09be\u09b0\u09cd\u09ae \u09a8\u09bf\u09df\u09c7 \u0995\u09be\u099c \u0995\u09b0\u09be \u09af\u09be\u09df\u0964 \u00a0 \u09ae\u09cd\u09af\u09be\u09a5 \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f \u09ae\u09cd\u09af\u09be\u09a5 \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f\u09c7\u09b0 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af\u09c7 \u09ae\u09cd\u09af\u09be\u09a5\u09ae\u09c7\u099f\u09bf\u0995\u09be\u09b2 \u099f\u09be\u09b0\u09cd\u09ae \u09a8\u09bf\u09df\u09c7 \u0995\u09be\u099c \u0995\u09b0\u09be \u09af\u09be\u09df\u0964 \u09ae\u09cd\u09af\u09be\u09a5 \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f\u09c7 \u0985\u09a8\u09c7\u0995\u0997\u09c1\u09b2\u09cb \u09ae\u09cd\u09af\u09be\u09a5\u09ae\u09c7\u099f\u09bf\u0995\u09be\u09b2 \u09ae\u09c7\u09a5\u09a1 \u0985\u09a8\u09cd\u09a4\u09b0\u09cd\u09ad\u09c1\u0995\u09cd\u09a4 \u09b0\u09df\u09c7\u099b\u09c7\u0964 \u09ae\u09cd\u09af\u09be\u09a5 \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f\u09c7\u09b0 \u098f\u0995\u099f\u09bf \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u0995\u09be\u099c \u09b9\u09b2\u09cb \u09b0\u09c7\u09a8\u09cd\u09a1\u09ae \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09be: Math.random(); \/\/ returns a\u2026","rel":"","context":"In 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