jquery isType() 类型判断代码
摘要:复制代码代码如下:class2type={};toString=Object.prototype.toString;type:functio...
复制代码 代码如下:
class2type = {};
toString = Object.prototype.toString;
type: function( obj ) {
return obj == null ?
String( obj ) :
class2type[ toString.call(obj) ] || "object";
},
isFunction: function( obj ) {
return jQuery.type(obj) === "function";
},
isArray: Array.isArray || function( obj ) {
return jQuery.type(obj) === "array";
},
// A crude way of determining if an object is a window
isWindow: function( obj ) {
return obj && typeof obj === "object" && "setInterval" in obj;
},
isNaN: function( obj ) {
return obj == null || !rdigit.test( obj ) || isNaN( obj );
},
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