var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#(\w+)$/,
// Is it a simple selector
- isSimple = /^.[^:#\[\.]*$/;
+ isSimple = /^.[^:#\[\.]*$/,
+
+// Will speed up references to undefined, and allows munging its name.
+ undefined;
jQuery.fn = jQuery.prototype = {
init: function( selector, context ) {
this[0] = selector;
this.length = 1;
return this;
-
+ }
// Handle HTML strings
- } else if ( typeof selector == "string" ) {
+ if ( typeof selector == "string" ) {
// Are we dealing with HTML string or an ID?
var match = quickExpr.exec( selector );
var elem = document.getElementById( match[3] );
// Make sure an element was located
- if ( elem )
+ if ( elem ){
// Handle the case where IE and Opera return items
// by name instead of ID
if ( elem.id != match[3] )
return jQuery().find( selector );
// Otherwise, we inject the element directly into the jQuery object
- else {
- this[0] = elem;
- this.length = 1;
- return this;
- }
-
- else
- selector = [];
+ return jQuery( elem );
+ }
+ selector = [];
}
// HANDLE: $(expr, [context])
// (which is just equivalent to: $(content).find(expr)
} else
- return new jQuery( context ).find( selector );
+ return jQuery( context ).find( selector );
// HANDLE: $(function)
// Shortcut for document ready
} else if ( jQuery.isFunction( selector ) )
- return new jQuery( document )[ jQuery.fn.ready ? "ready" : "load" ]( selector );
+ return jQuery( document )[ jQuery.fn.ready ? "ready" : "load" ]( selector );
return this.setArray(jQuery.makeArray(selector));
},
var ret = -1;
// Locate the position of the desired element
- this.each(function(i){
- if ( this == elem )
- ret = i;
- });
-
- return ret;
+ return jQuery.inArray(
+ // If it receives a jQuery object, the first element is used
+ elem && elem.jquery ? elem[0] : elem
+ , this );
},
attr: function( name, value, type ) {
// Look for the case where we're accessing a style value
if ( name.constructor == String )
- if ( value == undefined )
- return this.length && jQuery[ type || "attr" ]( this[0], name ) || undefined;
+ if ( value === undefined )
+ return this[0] && jQuery[ type || "attr" ]( this[0], name );
else {
options = {};
},
add: function( selector ) {
- return !selector ? this : this.pushStack( jQuery.merge(
+ return this.pushStack( jQuery.unique( jQuery.merge(
this.get(),
- selector.constructor == String ?
- jQuery( selector ).get() :
- selector.length != undefined && (!selector.nodeName || jQuery.nodeName(selector, "form")) ?
- selector : [selector] ) );
+ typeof selector == 'string' ?
+ jQuery( selector ) :
+ jQuery.makeArray( selector )
+ )));
},
is: function( selector ) {
return ret;
},
-
+
attr: function( elem, name, value ) {
// don't set attributes on text and comment nodes
if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
return undefined;
- var fix = jQuery.isXMLDoc( elem ) ?
- {} :
- jQuery.props;
+ var notxml = !jQuery.isXMLDoc( elem ),
+ // Whether we are setting (or getting)
+ set = value !== undefined,
+ msie = jQuery.browser.msie;
- // Safari mis-reports the default selected property of a hidden option
- // Accessing the parent's selectedIndex property fixes it
- if ( name == "selected" && jQuery.browser.safari )
- elem.parentNode.selectedIndex;
-
- // Certain attributes only work when accessed via the old DOM 0 way
- if ( fix[ name ] ) {
- if ( value != undefined )
- elem[ fix[ name ] ] = value;
+ // Try to normalize/fix the name
+ name = notxml && jQuery.props[ name ] || name;
- return elem[ fix[ name ] ];
+ // Only do all the following if this is a node (faster for style)
+ // IE elem.getAttribute passes even for style
+ if ( elem.tagName ) {
- } else if ( jQuery.browser.msie && name == "style" )
- return jQuery.attr( elem.style, "cssText", value );
+ // These attributes require special treatment
+ var special = /href|src|style/.test( name );
- else if ( value == undefined && jQuery.browser.msie && jQuery.nodeName( elem, "form" ) && (name == "action" || name == "method") )
- return elem.getAttributeNode( name ).nodeValue;
+ // Safari mis-reports the default selected property of a hidden option
+ // Accessing the parent's selectedIndex property fixes it
+ if ( name == "selected" && jQuery.browser.safari )
+ elem.parentNode.selectedIndex;
- // IE elem.getAttribute passes even for style
- else if ( elem.tagName ) {
+ // If applicable, access the attribute via the DOM 0 way
+ if ( notxml && !special && name in elem ) {
+ if ( set ){
+ // We can't allow the type property to be changed (since it causes problems in IE)
+ if ( name == "type" && jQuery.nodeName( elem, "input" ) && elem.parentNode )
+ throw "type property can't be changed";
+
+ elem[ name ] = value;
+ }
+
+ // browsers index elements by id/name on forms, give priority to attributes.
+ if( jQuery.nodeName( elem, "form" ) && elem.getAttributeNode(name) )
+ return elem.getAttributeNode( name ).nodeValue;
- if ( value != undefined ) {
- // We can't allow the type property to be changed (since it causes problems in IE)
- if ( name == "type" && jQuery.nodeName( elem, "input" ) && elem.parentNode )
- throw "type property can't be changed";
+ return elem[ name ];
+ }
+ if ( msie && name == "style" )
+ return jQuery.attr( elem.style, "cssText", value );
+
+ if ( set )
// convert the value to a string (all browsers do this but IE) see #1070
elem.setAttribute( name, "" + value );
- }
- if ( jQuery.browser.msie && /href|src/.test( name ) && !jQuery.isXMLDoc( elem ) )
+ if ( msie && special && notxml )
return elem.getAttribute( name, 2 );
return elem.getAttribute( name );
+ }
+
// elem is actually elem.style ... set the style
- } else {
- // IE actually uses filters for opacity
- if ( name == "opacity" && jQuery.browser.msie ) {
- if ( value != undefined ) {
- // IE has trouble with opacity if it does not have layout
- // Force it by setting the zoom level
- elem.zoom = 1;
-
- // Set the alpha filter to set the opacity
- elem.filter = (elem.filter || "").replace( /alpha\([^)]*\)/, "" ) +
- (parseFloat( value ).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
- }
-
- return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
- (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() :
- "";
- }
- name = name.replace(/-([a-z])/ig, function(all, letter){
- return letter.toUpperCase();
- });
+ // IE uses filters for opacity
+ if ( msie && name == "opacity" ) {
+ if ( set ) {
+ // IE has trouble with opacity if it does not have layout
+ // Force it by setting the zoom level
+ elem.zoom = 1;
- if ( value != undefined )
- elem[ name ] = value;
+ // Set the alpha filter to set the opacity
+ elem.filter = (elem.filter || "").replace( /alpha\([^)]*\)/, "" ) +
+ (parseInt( value ) + '' == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
+ }
- return elem[ name ];
+ return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
+ (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100) + '':
+ "";
}
+
+ name = name.replace(/-([a-z])/ig, function(all, letter){
+ return letter.toUpperCase();
+ });
+
+ if ( set )
+ elem[ name ] = value;
+
+ return elem[ name ];
},
trim: function( text ) {
makeArray: function( array ) {
var ret = [];
- if( array != undefined ){
+ if( array != null ){
var i = array.length;
//the window, strings and functions also have 'length'
- if( i != null && !array.split && array != window && !array.call )
+ if( i == null || array.split || array.setInterval || array.call )
+ ret[0] = array;
+ else
while( i )
ret[--i] = array[i];
- else
- ret[0] = array;
}
return ret;
inArray: function( elem, array ) {
for ( var i = 0, length = array.length; i < length; i++ )
- if ( array[ i ] == elem )
+ // Use === because on IE, window == document
+ if ( array[ i ] === elem )
return i;
return -1;
// 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 ) || inv && !callback( elems[ i ], i ) )
+ if ( !inv != !callback( elems[ i ], i ) )
ret.push( elems[ i ] );
return ret;
"float": styleFloat,
cssFloat: styleFloat,
styleFloat: styleFloat,
- innerHTML: "innerHTML",
- className: "className",
- value: "value",
- disabled: "disabled",
- checked: "checked",
readonly: "readOnly",
- selected: "selected",
maxlength: "maxLength",
- selectedIndex: "selectedIndex",
- defaultValue: "defaultValue",
- tagName: "tagName",
- nodeName: "nodeName"
+ cellspacing: "cellSpacing"
}
});