{"id":7106,"date":"2015-04-01T19:40:29","date_gmt":"2015-04-01T23:40:29","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/?p=7106"},"modified":"2015-11-11T06:43:17","modified_gmt":"2015-11-11T11:43:17","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%b0-%e0%a6%ae%e0%a7%87","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=7106","title":{"rendered":"\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)"},"content":{"rendered":"

\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<\/h2>\n

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

 <\/p>\n

\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<\/p>\n

\u0997\u09cd\u09b2\u09cb\u09ac\u09be\u09b2 \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf<\/h2>\n

\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 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09af\u09c7\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964 \u09af\u0996\u09a8 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09a8\u09bf\u09df\u09c7 \u0995\u09be\u099c \u0995\u09b0\u09ac\u09c7\u09a8, \u098f\u0987\u0997\u09c1\u09b2\u09cb \u09b8\u09ac\u099a\u09c7\u09af\u09bc\u09c7 \u09aa\u09cd\u09b0\u09be\u09b8\u0999\u09cd\u0997\u09bf\u0995 \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u0983<\/p>\n

\u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u0983 Number()<\/p>\n

\u09ac\u09cd\u09af\u09be\u0996\u09cd\u09af\u09be\u0983 \u09a4\u09be\u09b0 \u09ac\u09bf\u099a\u09be\u09b0 \u09a5\u09c7\u0995\u09c7 \u09b0\u09c2\u09aa\u09be\u09a8\u09cd\u09a4\u09b0\u09bf\u09a4 \u098f\u0995\u099f\u09bf \u09a8\u09ae\u09cd\u09ac\u09b0 \u09aa\u09cd\u09b0\u09a6\u09be\u09a8 \u0995\u09b0\u09c7\u0964<\/p>\n

\u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u0983 parseFloat()<\/p>\n

\u09ac\u09cd\u09af\u09be\u0996\u09cd\u09af\u09be\u0983 Parses \u09af\u09be \u098f\u099f\u09bf \u09ac\u09bf\u099a\u09be\u09b0 \u0995\u09b0\u09c7 \u098f\u09ac\u0982 \u098f\u0995\u099f\u09bf \u09ab\u09cd\u09b2\u09cb\u099f\u09bf\u0982 \u09aa\u09af\u09bc\u09c7\u09a8\u09cd\u099f \u09b8\u0982\u0996\u09cd\u09af\u09be \u09ab\u09bf\u09b0\u09bf\u09df\u09c7 \u09a6\u09c7\u09df\u0964<\/p>\n

\u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u0983 parseInt()<\/p>\n

\u09ac\u09cd\u09af\u09be\u0996\u09cd\u09af\u09be\u0983 Parses \u09af\u09be \u098f\u099f\u09bf \u09ac\u09bf\u099a\u09be\u09b0 \u0995\u09b0\u09c7 \u098f\u09ac\u0982 \u098f\u0995\u099f\u09bf \u09aa\u09c2\u09b0\u09cd\u09a3\u09b8\u0982\u0996\u09cd\u09af\u09be \u09ab\u09bf\u09b0\u09bf\u09df\u09c7 \u09a6\u09c7\u09df\u0964<\/p>\n

 <\/p>\n

\u09b8\u0982\u0996\u09cd\u09af\u09be \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf<\/h2>\n

\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 \u098f\u09ae\u09a8 \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u09af\u09be \u09b8\u0982\u0996\u09cd\u09af\u09be\u09b0 \u0989\u09aa\u09b0 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09af\u09c7\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0983<\/p>\n

\u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u0983 toString()<\/p>\n

\u09ac\u09cd\u09af\u09be\u0996\u09cd\u09af\u09be\u0983 \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u098f\u0995\u099f\u09bf \u09a8\u09ae\u09cd\u09ac\u09b0 \u09ab\u09bf\u09b0\u09bf\u09df\u09c7 \u09a6\u09c7\u09df\u0964<\/p>\n

\u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u0983 toExponential()<\/p>\n

\u09ac\u09cd\u09af\u09be\u0996\u09cd\u09af\u09be\u0983 \u09ac\u09c3\u09a4\u09cd\u09a4\u09be\u0995\u09be\u09b0 \u098f\u09ac\u0982 \u09b8\u09c2\u099a\u0995 \u09b8\u09cd\u09ac\u09b0\u09b2\u09bf\u09aa\u09bf \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7 \u09b2\u09c7\u0996\u09be \u098f\u0995\u099f\u09bf \u09b8\u0982\u0996\u09cd\u09af\u09be \u09b8\u0999\u09cd\u0997\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u09ab\u09bf\u09b0\u09bf\u09df\u09c7 \u09a6\u09c7\u09df\u0964<\/p>\n

\u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u0983 toFixed()<\/p>\n

\u09ac\u09cd\u09af\u09be\u0996\u09cd\u09af\u09be\u0983 \u09a6\u09b6\u09ae\u09bf\u0995\u09c7 \u098f\u0995\u099f\u09bf \u09a8\u09bf\u09b0\u09cd\u09a6\u09bf\u09b7\u09cd\u099f \u09a8\u09ae\u09cd\u09ac\u09b0 \u09b8\u0999\u09cd\u0997\u09c7 \u09ac\u09c3\u09a4\u09cd\u09a4\u09be\u0995\u09be\u09b0 \u098f\u09ac\u0982 \u09b2\u09bf\u0996\u09bf\u09a4 \u098f\u0995\u099f\u09bf \u09b8\u0982\u0996\u09cd\u09af\u09be \u09b8\u0999\u09cd\u0997\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u09ab\u09bf\u09b0\u09bf\u09df\u09c7 \u09a6\u09c7\u09df\u0964<\/p>\n

\u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u0983 toPrecision()<\/p>\n

\u09ac\u09cd\u09af\u09be\u0996\u09cd\u09af\u09be\u0983 \u098f\u0995\u099f\u09bf \u09a8\u09bf\u09b0\u09cd\u09a6\u09bf\u09b7\u09cd\u099f \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af \u09b8\u0999\u09cd\u0997\u09c7 \u09b2\u09bf\u0996\u09bf\u09a4 \u09a8\u09ae\u09cd\u09ac\u09b0 \u09a6\u09bf\u09af\u09bc\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u09ab\u09bf\u09b0\u09bf\u09df\u09c7 \u09a6\u09c7\u09df\u0964<\/p>\n

\u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u0983 valueOf()<\/p>\n

\u09ac\u09cd\u09af\u09be\u0996\u09cd\u09af\u09be\u0983 \u09a8\u09ae\u09cd\u09ac\u09b0 \u09b9\u09bf\u09b8\u09be\u09ac\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u0982\u0996\u09cd\u09af\u09be \u09ab\u09bf\u09b0\u09bf\u09df\u09c7 \u09a6\u09c7\u09df\u0964<\/p>\n

[ \u09b8\u09ac \u09b8\u0982\u0996\u09cd\u09af\u09be \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u098f\u0995\u099f\u09bf \u09a8\u09a4\u09c1\u09a8 \u09ad\u09c7\u09b0\u09bf\u09df\u09c7\u09ac\u09b2 \u098f \u09ab\u09bf\u09b0\u09c7 \u0986\u09b8\u09c7\u0964 \u0995\u09bf\u09a8\u09cd\u09a4\u09c1 \u09a4\u09be\u09b0\u09be \u09ae\u09c2\u09b2 \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8\u09b6\u09c0\u09b2 \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8 \u0995\u09b0\u09ac\u09c7\u09a8 \u09a8\u09be\u0964 ]<\/p>\n

 <\/p>\n

toString() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf<\/h2>\n

toString () \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u098f\u0995\u099f\u09bf \u09a8\u09ae\u09cd\u09ac\u09b0 \u09ab\u09bf\u09b0\u09bf\u09df\u09c7 \u09a6\u09c7\u09df\u0964 \u09b8\u09ac \u09b8\u0982\u0996\u09cd\u09af\u09be \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u09a4\u09c7 \u09af\u09c7\u0995\u09cb\u09a8\u09cb \u09a7\u09b0\u09a8\u09c7\u09b0 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09af\u09c7\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7 (\u09b2\u09bf\u099f\u09be\u09b0\u09c7\u09b2, \u09ad\u09c7\u09b0\u09bf\u09af\u09bc\u09c7\u09ac\u09b2, \u09ac\u09be \u098f\u0995\u09cd\u09b8\u09aa\u09cd\u09b0\u09c7\u09b6\u09a8)\u0964<\/p>\n

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

\n
<!DOCTYPE html><\/pre>\n
<html><\/pre>\n
<body><\/pre>\n
<p>The toString() method converts a number to a string.<\/p><\/pre>\n
<p id=\"demo\"><\/p><\/pre>\n
<script><\/pre>\n
var x = 123;<\/pre>\n
document.getElementById(\"demo\").innerHTML =<\/pre>\n
\u00a0\u00a0 x.toString() + \"<br>\" +<\/pre>\n
\u00a0\u00a0 (123).toString() + \"<br>\" +<\/pre>\n
\u00a0\u00a0 (100 + 23).toString();<\/pre>\n
<\/script><\/pre>\n
<\/body><\/pre>\n
<\/html><\/pre>\n
\n
 <\/p>\n
toExponential() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf<\/h2>\n
toExponential () \u09ac\u09c3\u09a4\u09cd\u09a4\u09be\u0995\u09be\u09b0 \u098f\u09ac\u0982 \u09b8\u09c2\u099a\u0995 \u09b8\u09cd\u09ac\u09b0\u09b2\u09bf\u09aa\u09bf \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7 \u09b2\u09c7\u0996\u09be \u09b8\u0982\u0996\u09cd\u09af\u09be\u09b0 \u09b8\u0999\u09cd\u0997\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u09ab\u09bf\u09b0\u09bf\u09df\u09c7 \u09a6\u09c7\u09df\u0964 \u098f\u0995\u099f\u09bf \u09aa\u09cd\u09af\u09be\u09b0\u09be\u09ae\u09bf\u099f\u09be\u09b0 \u09a6\u09b6\u09ae\u09bf\u0995 \u09aa\u09af\u09bc\u09c7\u09a8\u09cd\u099f \u09aa\u09bf\u099b\u09a8\u09c7 \u0985\u0995\u09cd\u09b7\u09b0 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09b8\u0982\u099c\u09cd\u099e\u09be\u09af\u09bc\u09bf\u09a4 \u0995\u09b0\u09c7\u0983 \u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
<!DOCTYPE html>\r\n<html>\r\n<body>\r\n\r\n<p>The toExponential() method returns a string, with the number rounded and written \r\nusing exponential notation.<\/p>\r\n\r\n<p>An optional parameter defines the number of digits behind the decimal point.<\/p>\r\n\r\n<p id=\"demo\"><\/p>\r\n\r\n<script>\r\nvar x = 9.656;\r\ndocument.getElementById(\"demo\").innerHTML =\r\n    x.toExponential() + \"<br>\" + \r\n    x.toExponential(2) + \"<br>\" + \r\n    x.toExponential(4) + \"<br>\" + \r\n    x.toExponential(6);\r\n<\/script>\r\n\r\n<\/body>\r\n<\/html><\/pre>\n
\n
\u09aa\u09cd\u09af\u09be\u09b0\u09be\u09ae\u09bf\u099f\u09be\u09b0\u099f\u09bf \u0990\u099a\u09cd\u099b\u09bf\u0995\u0964 \u09af\u09a6\u09bf \u0986\u09aa\u09a8\u09bf \u098f\u099f\u09bf \u0989\u09b2\u09cd\u09b2\u09c7\u0996 \u09a8\u09be \u0995\u09b0\u09c7\u09a8, \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09a8\u09ae\u09cd\u09ac\u09b0 \u09b8\u09c1\u09b8\u09ae\u09cd\u09aa\u09a8\u09cd\u09a8 \u09b9\u09ac\u09c7 \u09a8\u09be\u0964<\/p>\n
 <\/p>\n
toFixed() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf<\/h2>\n
toFixed () \u09a6\u09b6\u09ae\u09bf\u0995 \u09a6\u09bf\u09af\u09bc\u09c7 \u09b2\u09c7\u0996\u09be \u09b8\u0982\u0996\u09cd\u09af\u09be\u09b0 \u09b8\u0999\u09cd\u0997\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u09ab\u09bf\u09b0\u09bf\u09df\u09c7 \u09a6\u09c7\u09df\u0964<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
<!DOCTYPE html>\r\n<html>\r\n<body><\/pre>\n
<p>The toFixed() method rounds a number to a given number of digits.<\/p>\r\n<p>For working with money, toFixed(2) is perfect.<\/p><\/pre>\n
<p id=\"demo\"><\/p><\/pre>\n
<script>\r\nvar x = 9.656;\r\ndocument.getElementById(\"demo\").innerHTML =\r\n     x.toFixed(0) + \"<br>\" +\r\n     x.toFixed(2) + \"<br>\" +\r\n     x.toFixed(4) + \"<br>\" +\r\n     x.toFixed(6);\r\n<\/script><\/pre>\n
<\/body>\r\n<\/html><\/pre>\n
\n
[ toFixed(2) \u099f\u09be\u0995\u09be \u09a6\u09bf\u09af\u09bc\u09c7 \u0995\u09be\u099c \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u09af\u09a4\u09cb\u09aa\u09af\u09c1\u0995\u09cd\u09a4\u0964 ]<\/p>\n
 <\/p>\n
toPrecision() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf<\/h2>\n
toPrecision () \u098f\u0995\u099f\u09bf \u09a8\u09bf\u09b0\u09cd\u09a6\u09bf\u09b7\u09cd\u099f \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af \u09b8\u0999\u09cd\u0997\u09c7 \u09b2\u09bf\u0996\u09bf\u09a4 \u09a8\u09ae\u09cd\u09ac\u09b0 \u09a6\u09bf\u09af\u09bc\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u09ab\u09bf\u09b0\u09bf\u09df\u09c7 \u09a6\u09c7\u09df\u0964<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
\n
<!DOCTYPE html>\r\n<html>\r\n<body><\/pre>\n
<p>The toPrecision() method returns a string, with a number written with a \r\nspecified length:<\/p><\/pre>\n
<p id=\"demo\"><\/p><\/pre>\n
<script>\r\nvar x = 9.656;\r\ndocument.getElementById(\"demo\").innerHTML = \r\n     x.toPrecision() + \"<br>\" +\r\n     x.toPrecision(2) + \"<br>\" +\r\n     x.toPrecision(4) + \"<br>\" +\r\n     x.toPrecision(6); \r\n<\/script><\/pre>\n
<\/body>\r\n<\/html><\/pre>\n
\n
 <\/p>\n
\u09ad\u09c7\u09b0\u09bf\u09af\u09bc\u09c7\u09ac\u09b2\u0995\u09c7 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u098f\u00a0 \u09b0\u09c2\u09aa\u09be\u09a8\u09cd\u09a4\u09b0<\/h2>\n
\u09ad\u09c7\u09b0\u09bf\u09df\u09c7\u09ac\u09b2\u0995\u09c7 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u098f \u09b0\u09c2\u09aa\u09be\u09a8\u09cd\u09a4\u09b0 \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u098f \u09a4\u09bf\u09a8\u099f\u09bf \u09ab\u09be\u0982\u09b6\u09a8 \u09b0\u09df\u09c7\u099b\u09c7\u0964<\/p>\n
    \n
  1. Number() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf<\/li>\n
  2. parseInt() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf<\/li>\n
  3. parseFloat() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf<\/li>\n<\/ol>\n
    \u098f\u0987 \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u0997\u09c1\u09b2\u09cb \u09b8\u0982\u0996\u09cd\u09af\u09be \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u09a8\u09be \u09b9\u09b2\u09c7\u0993 \u098f\u0997\u09c1\u09b2\u09cb \u0997\u09cd\u09b2\u09cb\u09ac\u09be\u09b2 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u0964<\/p>\n
     <\/p>\n
    Number() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf<\/h2>\n
    Number() \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09ad\u09c7\u09b0\u09bf\u09af\u09bc\u09c7\u09ac\u09b2 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u098f \u09b0\u09c2\u09aa\u09be\u09a8\u09cd\u09a4\u09b0 \u0995\u09b0\u200d\u09cd\u09a4\u09c7 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09af\u09c7\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0983<\/p>\n
    \u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
    \n
    x = true;\r\nNumber(x);       \/\/ returns 1\r\nx = false; \r\nNumber(x);       \/\/ returns 0\r\nx = new Date();\r\nNumber(x);       \/\/ returns 1404568027739\r\nx = \"10\"\r\nNumber(x);       \/\/ returns 10\r\nx = \"10 20\"\r\nNumber(x);       \/\/ returns NaN<\/pre>\n
    \n
     <\/p>\n
    parseInt() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf<\/h2>\n
    parseInt () \u098f\u0995\u099f\u09bf \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u098f\u09ac\u0982 \u098f\u0995\u099f\u09bf \u09aa\u09c2\u09b0\u09cd\u09a3 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09ab\u09bf\u09b0\u09bf\u09df\u09c7 \u09a6\u09c7\u09df\u0964 \u09b8\u09cd\u09aa\u09c7\u09b8 \u098f\u09b0 \u0985\u09a8\u09c1\u09ae\u09a4\u09bf \u0986\u099b\u09c7\u0964 \u09b6\u09c1\u09a7\u09c1\u09ae\u09be\u09a4\u09cd\u09b0 \u09aa\u09cd\u09b0\u09a5\u09ae \u09b8\u0982\u0996\u09cd\u09af\u09be \u09aa\u09cd\u09b0\u09a6\u09be\u09a8 \u0995\u09b0\u09c7\u0983 \u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
    \n
    parseInt(\"10\");        \/\/ returns 10\r\nparseInt(\"10.33\");     \/\/ returns 10\r\nparseInt(\"10 20 30\");  \/\/ returns 10\r\nparseInt(\"10 years\");  \/\/ returns 10\r\nparseInt(\"years 10\");  \/\/ returns NaN<\/pre>\n
    \n
    <\/pre>\n
    \u09b8\u0982\u0996\u09cd\u09af\u09be \u09b0\u09c2\u09aa\u09be\u09a8\u09cd\u09a4\u09b0\u09bf\u09a4 \u0995\u09b0\u09be \u09b8\u09ae\u09cd\u09ad\u09ac \u09a8\u09be \u09b9\u09b2\u09c7, NaN (\u09a8\u09be \u098f\u0995\u099f\u09bf \u09a8\u09ae\u09cd\u09ac\u09b0) \u09ab\u09bf\u09b0\u09bf\u09af\u09bc\u09c7 \u09a6\u09c7\u09df\u0964<\/p>\n
    parseFloat() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf<\/h2>\n
    parseFloat () \u098f\u0995\u099f\u09bf \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 parses \u098f\u09ac\u0982 \u098f\u0995\u099f\u09bf \u09a8\u09ae\u09cd\u09ac\u09b0 parseInt () \u098f\u0995\u099f\u09bf \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 parses \u098f\u09ac\u0982 \u098f\u0995\u099f\u09bf \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09a8\u09ae\u09cd\u09ac\u09b0 \u09ab\u09bf\u09b0\u09bf\u09df\u09c7 \u09a6\u09c7\u09df\u0964 \u09b8\u09cd\u09aa\u09c7\u09b8 \u098f\u09b0 \u0985\u09a8\u09c1\u09ae\u09a4\u09bf \u0986\u099b\u09c7\u0964 \u09b6\u09c1\u09a7\u09c1\u09ae\u09be\u09a4\u09cd\u09b0 \u09aa\u09cd\u09b0\u09a5\u09ae \u09b8\u0982\u0996\u09cd\u09af\u09be \u09aa\u09cd\u09b0\u09a6\u09be\u09a8 \u0995\u09b0\u09c7\u0983 \u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
    \n
     parseFloat(\"10\");        \/\/ returns 10\r\n parseFloat(\"10.33\");    \/\/ returns 10.33\r\n parseFloat(\"10 20 30\"); \/\/ returns 10\r\n parseFloat(\"10 years\"); \/\/ returns 10\r\n parseFloat(\"years 10\"); \/\/ returns NaN<\/pre>\n
    \n
    \u09b8\u0982\u0996\u09cd\u09af\u09be \u09b0\u09c2\u09aa\u09be\u09a8\u09cd\u09a4\u09b0\u09bf\u09a4 \u0995\u09b0\u09be \u09b8\u09ae\u09cd\u09ad\u09ac \u09a8\u09be \u09b9\u09b2\u09c7, NaN (\u09a8\u09be \u098f\u0995\u099f\u09bf \u09a8\u09ae\u09cd\u09ac\u09b0) \u09ab\u09bf\u09b0\u09bf\u09af\u09bc\u09c7 \u09a6\u09c7\u09df\u0964<\/p>\n
     <\/p>\n
    valueOf() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf<\/h2>\n
    valueOf () \u09a8\u09ae\u09cd\u09ac\u09b0 \u09b9\u09bf\u09b8\u09be\u09ac\u09c7 \u098f\u0995\u099f\u09bf \u09a8\u09ae\u09cd\u09ac\u09b0 \u09aa\u09cd\u09b0\u09a6\u09be\u09a8 \u0995\u09b0\u09c7\u0964 \u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/p>\n
    \n
     var x = 123;\r\n x.valueOf();          \/\/ returns 123 from variable x\r\n (123).valueOf();      \/\/ returns 123 from literal 123\r\n (100 + 23).valueOf(); \/\/ returns 123 from expression 100 + 23<\/pre>\n
    \n
    \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u098f, \u098f\u0995\u099f\u09bf \u09b8\u0982\u0996\u09cd\u09af\u09be \u098f\u0995\u099f\u09bf \u0986\u09a6\u09bf \u09ae\u09be\u09a8 (typeof = number) \u09b9\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7 \u09ac\u09be \u098f\u0995\u099f\u09bf \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f\u0993 (typeof = object) \u09b9\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964<\/p>\n
    [ \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u098f, \u09b8\u09ac \u09a1\u09c7\u099f\u09be \u099f\u09be\u0987\u09aa \u098f\u09b0 valueOf () \u098f\u09ac\u0982 toString () \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u0986\u099b\u09c7\u0964]<\/p>\n
     <\/p>\n","protected":false},"excerpt":{"rendered":"
    \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   \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 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09af\u09c7\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964 \u09af\u0996\u09a8 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09a8\u09bf\u09df\u09c7 \u0995\u09be\u099c \u0995\u09b0\u09ac\u09c7\u09a8, \u098f\u0987\u0997\u09c1\u09b2\u09cb \u09b8\u09ac\u099a\u09c7\u09af\u09bc\u09c7 \u09aa\u09cd\u09b0\u09be\u09b8\u0999\u09cd\u0997\u09bf\u0995 \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u0983 \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u0983 Number() \u09ac\u09cd\u09af\u09be\u0996\u09cd\u09af\u09be\u0983 \u09a4\u09be\u09b0 \u09ac\u09bf\u099a\u09be\u09b0 \u09a5\u09c7\u0995\u09c7 \u09b0\u09c2\u09aa\u09be\u09a8\u09cd\u09a4\u09b0\u09bf\u09a4 \u098f\u0995\u099f\u09bf \u09a8\u09ae\u09cd\u09ac\u09b0 \u09aa\u09cd\u09b0\u09a6\u09be\u09a8 \u0995\u09b0\u09c7\u0964 \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u0983 parseFloat() \u09ac\u09cd\u09af\u09be\u0996\u09cd\u09af\u09be\u0983 Parses \u09af\u09be \u098f\u099f\u09bf … <\/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":[7,754,738,753,755,506,756],"class_list":["post-7106","post","type-post","status-publish","format-standard","hentry","category-javascript-complete-courses","tag-javascript","tag-number-method","tag-738","tag-753","tag-755","tag-506","tag-756","item-wrap"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":7134,"url":"http:\/\/bangla.sitestree.com\/?p=7134","url_meta":{"origin":7106,"position":0},"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 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\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\u2026","rel":"","context":"In 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\u0985\u0995\u09cd\u09b7\u09b0 \u09ac\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":8032,"url":"http:\/\/bangla.sitestree.com\/?p=8032","url_meta":{"origin":7106,"position":3},"title":"jQuery – AJAX \u098f\u09b0 noConflict() \u09ae\u09c7\u09a5\u09a1 \u0964 jQuery – AJAX noConflict() Method","author":"Author-Check- Article-or-Video","date":"March 29, 2015","format":false,"excerpt":"\u09ae\u09be\u09b9\u09ac\u09c1\u09ac\u09c1\u09b0 \u09b0\u09b9\u09ae\u09be\u09a8 \u00a0 jQuery \u098f\u09ac\u0982 \u0985\u09a8\u09cd\u09af\u09be\u09a8\u09cd\u09af JavaScript \u09ab\u09cd\u09b0\u09c7\u09ae\u0993\u09df\u09be\u09b0\u09cd\u0995 \u0987\u09a4\u09bf\u09ae\u09a7\u09cd\u09af\u09c7 \u0986\u09aa\u09a8\u09bf \u09af\u09c7\u09a8\u09c7\u099b\u09c7\u09a8 \u09af\u09c7, jQuery \u09a4\u09c7 $ \u099a\u09bf\u09b9\u09cd\u09a8 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09df \u09b6\u09b0\u09cd\u099f\u0995\u09be\u099f \u09b9\u09bf\u09b8\u09be\u09ac\u09c7\u0964 \u09ac\u09c7\u09b6\u0995\u09bf\u099b\u09c1 \u099c\u09a8\u09aa\u09cd\u09b0\u09bf\u09af\u09bc \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09ab\u09cd\u09b0\u09c7\u09ae\u0993\u09df\u09be\u09b0\u09cd\u0995 \u0986\u099b\u09c7, \u09af\u09c7\u09ae\u09a8 Angular, Backbone, Ember, Knockout \u0987\u09a4\u09cd\u09af\u09be\u09a6\u09bf\u0964 \u09af\u09a6\u09bf \u0985\u09a8\u09cd\u09af \u0995\u09cb\u09a8 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09ab\u09cd\u09b0\u09c7\u09ae\u0993\u09df\u09be\u09b0\u09cd\u0995 \u09b6\u09b0\u09cd\u099f\u0995\u09be\u099f \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 $ \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7 \u09a4\u09be\u09b9\u09b2\u09c7 \u0995\u09bf \u0998\u099f\u09ac\u09c7? \u09af\u09a6\u09bf \u09a6\u09c1\u099f\u09bf \u0986\u09b2\u09be\u09a6\u09be \u09ab\u09cd\u09b0\u09c7\u09ae\u0993\u09df\u09be\u09b0\u09cd\u0995 \u098f\u0995\u0987\u2026","rel":"","context":"In "jQuery-001 \u0964 \u099c\u09c7 \u0995\u09c1\u09df\u09c7\u09b0\u09bf - \u09e6\u09e6\u09e7"","block_context":{"text":"jQuery-001 \u0964 \u099c\u09c7 \u0995\u09c1\u09df\u09c7\u09b0\u09bf - \u09e6\u09e6\u09e7","link":"http:\/\/bangla.sitestree.com\/?cat=152"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7077,"url":"http:\/\/bangla.sitestree.com\/?p=7077","url_meta":{"origin":7106,"position":4},"title":"\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09ad\u09c7\u09b0\u09bf\u09df\u09c7\u09ac\u09b2 (JavaScript Variables)","author":"Author-Check- Article-or-Video","date":"March 21, 2015","format":false,"excerpt":"\u099c\u09be\u09ac\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09ad\u09c7\u09b0\u09bf\u09af\u09bc\u09c7\u09ac\u09b2 \u09ae\u09cb\u0983 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