<!DOCTYPE html>
<html>
<head>
<title>jq isArray </title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body>
<div class="warp">
</div>
<script type="text/javascript">
// jquery 1.9
var class2type = {},core_toString = class2type.toString;
// firefox chrome IE9 IE10 Array.isArray
// Array.isArray([]) true
// IE7
var isArray = Array.isArray || function( obj ) {
return type(obj) === "array";
};
/*
948
jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
class2type[ "[object " + name + "]" ] = name.toLowerCase();
});
， type([]) object
JS
*/
var arr = "Boolean Number String Function Array Date RegExp Object Error".split(" ");
for(var i in arr){
class2type[ "[object " + arr[i] + "]" ] = arr[i].toLowerCase();
};
var type = function( obj ) {
if ( obj == null ) {
return String( obj );
}
return typeof obj === "object" || typeof obj === "function" ?
class2type[ core_toString.call(obj) ] || "object" :
typeof obj;
// return (typeof obj === "object" || typeof obj === "function")?(class2type[ core_toString.call(obj) ] || "object"): typeof obj;
};
//
// return Object.prototype.toString.call(obj) === '[object Array]';
// http://sofish.de/1591
</script>
</body>
</html>