// Check for non-word characters
rnonword = /\W/,
+ // Check for digits
+ rdigit = /\d/,
+
// Match a standalone tag
rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/,
jQuery.extend = jQuery.fn.extend = function() {
// copy reference to target object
- var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options, name, src, copy, copyIsArray;
+ var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options, name, src, copy, copyIsArray, clone;
// Handle a deep copy situation
if ( typeof target === "boolean" ) {
return obj && typeof obj === "object" && "setInterval" in obj;
},
+ isNaN: function( obj ) {
+ return obj == null || !rdigit.test( obj ) || isNaN( obj );
+ },
+
type: function( obj ) {
return obj == null ?
String( obj ) :