// A simple way to check for HTML strings or ID strings
// (both of which we optimize for)
- quickExpr = /^[^<]*(<[\w\W]+>)[^>]*$|^#([\w-]+)$/,
+ quickExpr = /^[^<]*(<[\w\W]+>)[^>]*$|^#([\w\-]+)$/,
// Is it a simple selector
isSimple = /^.[^:#\[\.,]*$/,
// Save a reference to some core methods
toString = Object.prototype.toString,
- hasOwnProperty = Object.prototype.hasOwnProperty,
+ hasOwn = Object.prototype.hasOwnProperty,
push = Array.prototype.push,
slice = Array.prototype.slice,
indexOf = Array.prototype.indexOf;
// (returning the new matched element set)
pushStack: function( elems, name, selector ) {
// Build a new jQuery matched element set
- var ret = jQuery( elems || null );
+ var ret = jQuery();
+
+ if ( jQuery.isArray( elems ) ) {
+ push.apply( ret, elems );
+
+ } else {
+ jQuery.merge( ret, elems );
+ }
// Add the old object onto the stack (as a reference)
ret.prevObject = this;
return ret;
},
- // Force the current matched set of elements to become
- // the specified array of elements (destroying the stack in the process)
- // You should use pushStack() in order to do this, but maintain the stack
- setArray: function( elems ) {
- // Resetting the length to 0, then using the native Array push
- // is a super-fast way to populate an object with array-like properties
- this.length = 0;
- push.apply( this, elems );
-
- return this;
- },
-
// Execute a callback for every element in the matched set.
// (You can seed the arguments with an array of args, but this is
// only used internally.)
}
// Not own constructor property must be Object
- if ( obj.constructor
- && !hasOwnProperty.call(obj, "constructor")
- && !hasOwnProperty.call(obj.constructor.prototype, "isPrototypeOf") ) {
+ if ( obj.constructor &&
+ !hasOwn.call(obj, "constructor") &&
+ !hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
return false;
}
var key;
for ( key in obj ) {}
- return key === undefined || hasOwnProperty.call( obj, key );
+ return key === undefined || hasOwn.call( obj, key );
},
isEmptyObject: function( obj ) {
if ( typeof data !== "string" || !data ) {
return null;
}
+
+ // Make sure leading/trailing whitespace is removed (IE can't handle it)
+ data = jQuery.trim( data );
// Make sure the incoming data is actual JSON
// Logic borrowed from http://json.org/json2.js
},
grep: function( elems, callback, inv ) {
- var ret = [];
+ var ret = [], retVal;
+ inv = !!inv;
// Go through the array, only saving the items
// that pass the validator function
for ( var i = 0, length = elems.length; i < length; i++ ) {
- if ( !inv !== !callback( elems[ i ], i ) ) {
+ retVal = !!callback( elems[ i ], i );
+ if ( inv !== retVal ) {
ret.push( elems[ i ] );
}
}
/(opera)(?:.*version)?[ \/]([\w.]+)/.exec( ua ) ||
/(msie) ([\w.]+)/.exec( ua ) ||
!/compatible/.test( ua ) && /(mozilla)(?:.*? rv:([\w.]+))?/.exec( ua ) ||
- [];
+ [];
return { browser: match[1] || "", version: match[2] || "0" };
},
// If IE is used, use the trick by Diego Perini
// http://javascript.nwbox.com/IEContentLoaded/
document.documentElement.doScroll("left");
- } catch( error ) {
+ } catch(e) {
setTimeout( doScrollCheck, 1 );
return;
}
}
// Getting an attribute
- return length ? fn( elems[0], key ) : null;
+ return length ? fn( elems[0], key ) : undefined;
}
function now() {
- return (new Date).getTime();
+ return (new Date()).getTime();
}