{"id":7132,"date":"2015-03-21T20:19:58","date_gmt":"2015-03-22T00:19:58","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/?p=7132"},"modified":"2015-03-21T20:18:45","modified_gmt":"2015-03-22T00:18:45","slug":"javascript-typeof-null-and-undefined","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=7132","title":{"rendered":"JavaScript typeof, null, and undefined. \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u099f\u09be\u0987\u09aa\u0985\u09ab, \u09a8\u09be\u09b2 \u098f\u09ac\u0982 \u0986\u09a8\u09a1\u09bf\u09ab\u09be\u0987\u09a8\u09cd\u09a1"},"content":{"rendered":"<p>\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u099f\u09be\u0987\u09aa\u0985\u09ab, \u09a8\u09be\u09b2 \u098f\u09ac\u0982 \u0986\u09a8\u09a1\u09bf\u09ab\u09be\u0987\u09a8\u09cd\u09a1<\/p>\n<p>\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u099f\u09be\u0987\u09aa\u0985\u09ab \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0:<br \/>\n\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f\u09c7 \u0995\u09cb\u09a8\u09cb \u09a1\u09be\u099f\u09be\u09b0 \u099f\u09be\u0987\u09aa \u099c\u09be\u09a8\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u099f\u09be\u0987\u09aa\u0985\u09ab \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09df\u0964<br \/>\n\u0989\u09a6\u09be\u09b9\u09b0\u09a3:<br \/>\ntypeof &#8220;John&#8221; \/\/ Returns string<br \/>\ntypeof 3.14 \/\/ Returns number<br \/>\ntypeof false \/\/ Returns boolean<br \/>\ntypeof [1,2,3,4] \/\/ Returns object<br \/>\ntypeof {name:&#8217;John&#8217;, age:34} \/\/ Returns object<\/p>\n<p>\u09a8\u09be\u09b2:<br \/>\n\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f\u09c7 \u09a8\u09be\u09b2 \u09ae\u09be\u09a8\u09c7 \u0995\u09bf\u099b\u09c1\u0987 \u09a8\u09df\u0964 \u098f\u099f\u09be \u098f\u09ae\u09a8 \u0995\u09bf\u099b\u09c1\u0995\u09c7 \u09ac\u09cb\u099d\u09be\u09df \u09af\u09be \u098f\u0996\u09a8 \u0986\u09b0 \u09ac\u09bf\u09a6\u09cd\u09af\u09ae\u09be\u09a8 \u09a8\u09c7\u0987\u0964<br \/>\n\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f\u09c7 \u09a8\u09be\u09b2\u0995\u09c7 \u098f\u0995\u099f\u09bf \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u09ac\u09bf\u09ac\u09c7\u099a\u09a8\u09be \u0995\u09b0\u09be \u09b9\u09df\u0964<br \/>\n\u0995\u09cb\u09a8 \u09ad\u09c7\u09b0\u09bf\u09af\u09ac\u09b2\u0995\u09c7 \u09a8\u09be\u09b2 \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u09a1\u09bf\u0995\u09cd\u09b2\u09c7\u09df\u09be\u09b0 \u0995\u09b0\u09c7 \u0996\u09be\u09b2\u09bf \u098f\u0995\u099f\u09bf \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f \u09a4\u09c8\u09b0\u09c0 \u0995\u09b0\u09be \u09af\u09be\u09df\u0964<br \/>\nvar person = null; \/\/ Value is null, but type is still an object<br \/>\n\u098f\u0995\u099f\u09bf \u09ad\u09c7\u09b0\u09bf\u09af\u09ac\u09b2\u0995\u09c7 \u0986\u09a8\u09a1\u09bf\u09ab\u09be\u0987\u09a8\u09cd\u09a1 \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u09a1\u09bf\u0995\u09cd\u09b2\u09c7\u09df\u09be\u09b0 \u0995\u09b0\u09c7\u0993 \u0996\u09be\u09b2\u09bf \u098f\u0995\u099f\u09bf \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f \u09a4\u09c8\u09b0\u09c0 \u0995\u09b0\u09be \u09af\u09be\u09df\u0964<br \/>\nvar person = undefined; \/\/ Value is undefined, type is undefined<\/p>\n<p>\u0986\u09a8\u09a1\u09bf\u09ab\u09be\u0987\u09a8\u09cd\u09a1:<br \/>\n\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f\u09c7 \u0986\u09a8\u09a1\u09bf\u09ab\u09be\u0987\u09a8\u09cd\u09a1 \u09b9\u09b2\u09cb \u098f\u0995\u099f\u09bf \u09ad\u09c7\u09b0\u09bf\u09af\u09ac\u09b2 \u09af\u09be\u09b0 \u0995\u09cb\u09a8\u09cb \u09ad\u09c7\u09b2\u09c1 \u09a8\u09c7\u0987\u0964<br \/>\nvar person; \/\/ Value is undefined, type is undefined<br \/>\n\u098f\u0995\u099f\u09bf \u09ad\u09c7\u09b0\u09bf\u09af\u09ac\u09b2\u0995\u09c7 \u0986\u09a8\u09a1\u09bf\u09ab\u09be\u0987\u09a8\u09cd\u09a1 \u09a1\u09bf\u0995\u09cd\u09b2\u09c7\u09df\u09be\u09b0 \u0995\u09b0\u09be\u09b0 \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7\u0993 \u09ad\u09c7\u09b0\u09bf\u09af\u09ac\u09b2\u09c7\u09b0 \u09ad\u09c7\u09b2\u09c1 \u0996\u09be\u09b2\u09bf \u0995\u09b0\u09be \u09af\u09be\u09df\u0964<br \/>\nperson = undefined; \/\/ Value is undefined, type is undefined<\/p>\n<p>\u0986\u09a8\u09a1\u09bf\u09ab\u09be\u0987\u09a8\u09cd\u09a1 \u098f\u09ac\u0982 \u09a8\u09be\u09b2\u09c7\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u09aa\u09be\u09b0\u09cd\u09a5\u0995\u09cd\u09af:<br \/>\ntypeof undefined \/\/ undefined<br \/>\ntypeof null \/\/ object<br \/>\nnull === undefined \/\/ false<br \/>\nnull == undefined \/\/ true<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u099f\u09be\u0987\u09aa\u0985\u09ab, \u09a8\u09be\u09b2 \u098f\u09ac\u0982 \u0986\u09a8\u09a1\u09bf\u09ab\u09be\u0987\u09a8\u09cd\u09a1 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u099f\u09be\u0987\u09aa\u0985\u09ab \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0: \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f\u09c7 \u0995\u09cb\u09a8\u09cb \u09a1\u09be\u099f\u09be\u09b0 \u099f\u09be\u0987\u09aa \u099c\u09be\u09a8\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u099f\u09be\u0987\u09aa\u0985\u09ab \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09df\u0964 \u0989\u09a6\u09be\u09b9\u09b0\u09a3: typeof &#8220;John&#8221; \/\/ Returns string typeof 3.14 \/\/ Returns number typeof false \/\/ Returns boolean typeof [1,2,3,4] \/\/ Returns object typeof {name:&#8217;John&#8217;, age:34} \/\/ Returns object \u09a8\u09be\u09b2: \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f\u09c7 \u09a8\u09be\u09b2 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\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 &quot;JavaScript&quot;","block_context":{"text":"JavaScript","link":"http:\/\/bangla.sitestree.com\/?cat=65"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7335,"url":"http:\/\/bangla.sitestree.com\/?p=7335","url_meta":{"origin":7132,"position":1},"title":"JavaScript Hoisting","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 \u09b9\u09cb\u09b8\u09cd\u099f\u09bf\u0982 \u09a1\u09be\u099f\u09be \u099f\u09be\u0987\u09aa \u09a1\u09bf\u0995\u09cd\u09b2\u09c7\u09df\u09be\u09b0\u09c7\u09b6\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09b9\u09cb\u09b8\u09cd\u099f\u09bf\u0982 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f\u09c7\u09b0 \u098f\u0995\u099f\u09bf \u09a1\u09bf\u09ab\u09b2\u09cd\u099f \u09ac\u09c7\u09ac\u09b8\u09cd\u09a5\u09be\u0964 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\u0989\u09a6\u09be\u09b9\u09b0\u09a3 \u09e7 \u098f\u09ac\u0982 \u0989\u09a6\u09be\u09b9\u09b0\u09a3 \u09e8 \u098f\u09b0 \u0986\u0989\u099f\u09aa\u09c1\u099f \u098f\u0995\u0987 \u09b9\u09ac\u09c7: \u0989\u09a6\u09be\u09b9\u09b0\u09a3 \u09e7: x =\u2026","rel":"","context":"In &quot;JavaScript&quot;","block_context":{"text":"JavaScript","link":"http:\/\/bangla.sitestree.com\/?cat=65"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7095,"url":"http:\/\/bangla.sitestree.com\/?p=7095","url_meta":{"origin":7132,"position":2},"title":"\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09b8\u09cd\u0995\u09cb\u09aa (JavaScript Scope)","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 \u09b8\u09cd\u0995\u09cb\u09aa (JavaScript Scope) \u09b8\u09cd\u0995\u09cb\u09aa \u09b9\u099a\u09cd\u099b\u09c7 \u098f\u0995\u09b8\u09c7\u09b8 \u0995\u09b0\u09be \u09af\u09be\u09df \u098f\u09b0\u0995\u09ae \u09ad\u09c7\u09b0\u09bf\u09df\u09c7\u09ac\u09b2\u0964 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f\u09c7 \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f \u098f\u09ac\u0982 \u09ab\u09be\u0982\u09b6\u09a8\u0993 \u09ad\u09c7\u09b0\u09bf\u09df\u09c7\u09ac\u09b2 \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u09ac\u09c7\u09ac\u09b9\u09c3\u09a4 \u09b9\u09df, \u098f\u0996\u09be\u09a8\u09c7 \u09b8\u09cd\u0995\u09cb\u09aa \u09b9\u099a\u09cd\u099b\u09c7 \u09ad\u09c7\u09b0\u09bf\u09df\u09c7\u09ac\u09b2, \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f \u098f\u09ac\u0982 \u09ab\u09be\u0982\u09b6\u09a8\u09c7\u09b0 \u09b8\u09c7\u099f \u09af\u09c7\u0996\u09be\u09a8\u09c7 \u098f\u0995\u09b8\u09c7\u09b8 \u0995\u09b0\u09be \u09af\u09be\u09df\u0964 \u09b2\u09cb\u0995\u09be\u09b2 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09ad\u09c7\u09b0\u09bf\u09df\u09c7\u09ac\u09b2 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f\u09c7\u09b0 \u09ab\u09be\u0982\u09b6\u09a8\u09c7\u09b0 \u09ad\u09c7\u09a4\u09b0\u09c7 \u09af\u09c7\u09b8\u09ac \u09ad\u09c7\u09b0\u09bf\u09af\u09ac\u09b2 \u09a1\u09bf\u0995\u09cd\u09b2\u09c7\u09df\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09df \u09a4\u09be \u0990 \u09ab\u09be\u0982\u09b6\u09a8\u09c7\u0997\u09c1\u09b2\u09cb \u09b2\u09cb\u0995\u09be\u09b2 \u09ad\u09c7\u09b0\u09bf\u09af\u09ac\u09b2 \u098f\u09ac\u0982 \u098f\u09b0 \u09b8\u09cd\u0995\u09cb\u09aa\u2026","rel":"","context":"In &quot;JavaScript&quot;","block_context":{"text":"JavaScript","link":"http:\/\/bangla.sitestree.com\/?cat=65"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7077,"url":"http:\/\/bangla.sitestree.com\/?p=7077","url_meta":{"origin":7132,"position":3},"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 \u09b0\u09ab\u09bf\u0995\u09c1\u09b2 \u0987\u09b8\u09b2\u09aa\u09be\u09ae \u00a0 \u099c\u09be\u09ac\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09ad\u09c7\u09b0\u09bf\u0987\u09df\u09c7\u09ac\u09b2 \u09b9\u099a\u09cd\u099b\u09c7 \u09a4\u09a5\u09cd\u09af\u09cd\u09af\u09c7\u09b0 \u09ae\u09be\u09a8 \u09b8\u0982\u09b0\u0995\u09cd\u09b7\u09a3\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u098f\u0995\u099f\u09bf \u0995\u09a8\u099f\u09c7\u0987\u09a8\u09be\u09b0 \u0964 \u09ad\u09c7\u09b0\u09bf\u09df\u09c7\u09ac\u09b2\u09b8 \u0995\u09c7 \u09a8\u09bf\u099a\u09c7 x, y, z \u00a0\u098f\u09b0 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af\u09c7 \u0989\u09a6\u09be\u09b9\u09b0\u09a3 \u09b9\u09bf\u09b8\u09be\u09ac\u09c7 \u09a6\u09c7\u09df\u09be \u09b9\u09b2 \u0964 Var x = 5; Var y = 6; Var z = x+y; \u00a0 \u0989\u09aa\u09b0\u09c7\u09b0 \u0989\u09a6\u09be\u09b9\u09b0\u09a3\u09c7 \u09af\u09be\u09b9\u09be \u09ac\u09c1\u099d\u09be\u09df \u09a4\u09be \u09b9\u09b2\u0983- X \u098f\u09b0\u2026","rel":"","context":"In &quot;JavaScript&quot;","block_context":{"text":"JavaScript","link":"http:\/\/bangla.sitestree.com\/?cat=65"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7103,"url":"http:\/\/bangla.sitestree.com\/?p=7103","url_meta":{"origin":7132,"position":4},"title":"\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 (JavaScript Numbers)","author":"Author-Check- Article-or-Video","date":"March 1, 2015","format":false,"excerpt":"\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 \u00a0 \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\u2026","rel":"","context":"In &quot;JavaScript&quot;","block_context":{"text":"JavaScript","link":"http:\/\/bangla.sitestree.com\/?cat=65"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":8844,"url":"http:\/\/bangla.sitestree.com\/?p=8844","url_meta":{"origin":7132,"position":5},"title":"\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 (JavaScript Strings)","author":"Rafiqul Islam","date":"May 9, 2015","format":false,"excerpt":"\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 (JavaScript Strings) \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u099f\u09c7\u0995\u09cd\u09b8\u099f (\u09b2\u09c7\u0996\u09be) \u09b8\u0982\u09b0\u0995\u09cd\u09b7\u09a3 \u0993 \u0995\u09be\u099c\u09c7 \u09b2\u09be\u0997\u09be\u09a8\u09cb\u09b0 \u099c\u09a8\u09cd\u09af \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09df\u0964 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u09b8\u09be\u09a7\u09be\u09b0\u09a3\u09ad\u09be\u09ac\u09c7 \u098f\u0995\u0997\u09c1\u099a\u09cd\u099b \u09ac\u09b0\u09cd\u09a3\u0995\u09c7 \u09aa\u09b0\u09ac\u09b0\u09cd\u09a4\u09c0\u09a4\u09c7 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09b8\u0982\u09b0\u0995\u09cd\u09b7\u09a3 \u0995\u09b0\u09c7\u0964 \u09af\u09c7\u09ae\u09a8: \"John Doe\" \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u0995\u09cb\u099f\u09c7\u09b6\u09a8\u09b0 \u098f\u09b0 \u09ad\u09bf\u09a4\u09b0\u09c7 \u09af\u09c7\u0995\u09cb\u09a8 \u09b2\u09c7\u0996\u09be \u09b9\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964 \u0986\u09aa\u09a8\u09bf \u098f\u0995\u0995 \u09ac\u09be \u09a1\u09ac\u09b2 \u0995\u09cb\u099f\u09c7\u09b6\u09a8 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u09a8\u0964 \u09af\u09c7\u09ae\u09a8: var carname = \"Volvo\u2026","rel":"","context":"In 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