// 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;
this.length = 1;
return this;
}
+
+ // The body element only exists once, optimize finding it
+ if ( selector === "body" && !context ) {
+ this.context = document;
+ this[0] = document.body;
+ this.selector = "body";
+ this.length = 1;
+ return this;
+ }
// Handle HTML strings
if ( typeof selector === "string" ) {
ret = buildFragment( [ match[1] ], [ doc ] );
selector = (ret.cacheable ? ret.fragment.cloneNode(true) : ret.fragment).childNodes;
}
-
+
+ return jQuery.merge( this, selector );
+
// HANDLE: $("#id")
} else {
elem = document.getElementById( match[2] );
this.selector = selector;
this.context = document;
selector = document.getElementsByTagName( selector );
+ return jQuery.merge( this, selector );
// HANDLE: $(expr, $(...))
} else if ( !context || context.jquery ) {
this.context = selector.context;
}
- return jQuery.isArray( selector ) ?
- this.setArray( selector ) :
- jQuery.makeArray( selector, this );
+ return jQuery.makeArray( selector, this );
},
// Start with an empty selector
// (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 ) {
}
return true;
},
+
+ error: function( msg ) {
+ throw msg;
+ },
+
+ parseJSON: function( data ) {
+ 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
+ if ( /^[\],:{}\s]*$/.test(data.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, "@")
+ .replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, "]")
+ .replace(/(?:^|:|,)(?:\s*\[)+/g, "")) ) {
+
+ // Try to use the native JSON parser first
+ return window.JSON && window.JSON.parse ?
+ window.JSON.parse( data ) :
+ (new Function("return " + data))();
+
+ } else {
+ jQuery.error( "Invalid JSON: " + data );
+ }
+ },
noop: function() {},
for ( var l = second.length; j < l; j++ ) {
first[ i++ ] = second[ j ];
}
+
} else {
while ( second[j] !== undefined ) {
first[ i++ ] = second[ j++ ];
},
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 ] );
}
}
// Use of jQuery.browser is frowned upon.
// More details: http://docs.jquery.com/Utilities/jQuery.browser
uaMatch: function( ua ) {
- var ret = { browser: "" };
-
ua = ua.toLowerCase();
- if ( /webkit/.test( ua ) ) {
- ret = { browser: "webkit", version: /webkit[\/ ]([\w.]+)/ };
+ var match = /(webkit)[ \/]([\w.]+)/.exec( ua ) ||
+ /(opera)(?:.*version)?[ \/]([\w.]+)/.exec( ua ) ||
+ /(msie) ([\w.]+)/.exec( ua ) ||
+ !/compatible/.test( ua ) && /(mozilla)(?:.*? rv:([\w.]+))?/.exec( ua ) ||
+ [];
- } else if ( /opera/.test( ua ) ) {
- ret = { browser: "opera", version: /version/.test( ua ) ? /version[\/ ]([\w.]+)/ : /opera[\/ ]([\w.]+)/ };
-
- } else if ( /msie/.test( ua ) ) {
- ret = { browser: "msie", version: /msie ([\w.]+)/ };
-
- } else if ( /mozilla/.test( ua ) && !/compatible/.test( ua ) ) {
- ret = { browser: "mozilla", version: /rv:([\w.]+)/ };
- }
-
- ret.version = (ret.version && ret.version.exec( ua ) || [0, "0"])[1];
-
- return ret;
+ return { browser: match[1] || "", version: match[2] || "0" };
},
browser: {}
// 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;
}
jQuery.ready();
}
-if ( indexOf ) {
- jQuery.inArray = function( elem, array ) {
- return indexOf.call( array, elem );
- };
-}
-
function evalScript( i, elem ) {
if ( elem.src ) {
jQuery.ajax({
// Setting one attribute
if ( value !== undefined ) {
// Optionally, function values get executed if exec is true
- exec = exec && jQuery.isFunction(value);
+ exec = !pass && exec && jQuery.isFunction(value);
for ( var i = 0; i < length; i++ ) {
fn( elems[i], key, exec ? value.call( elems[i], i, fn( elems[i], key ) ) : value, pass );
}
// 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();
}
git.asbjorn.biz / jquery.git / blobdiff