jqueryisType()类型判断代码_jquery

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 );
},