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jQuery objects have a default length of 0. Simplifies $() some.
author
Yehuda Katz
<wycats@gmail.com>
Fri, 17 Jul 2009 01:47:26 +0000
(
01:47
+0000)
committer
Yehuda Katz
<wycats@gmail.com>
Fri, 17 Jul 2009 01:47:26 +0000
(
01:47
+0000)
src/core.js
patch
|
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diff --git
a/src/core.js
b/src/core.js
index
a71656d
..
267bc10
100644
(file)
--- a/
src/core.js
+++ b/
src/core.js
@@
-39,15
+39,12
@@
jQuery.fn = jQuery.prototype = {
var match, elem, ret;
// Handle $(""), $(null), or $(undefined)
var match, elem, ret;
// Handle $(""), $(null), or $(undefined)
- if ( !selector ) {
- this.length = 0;
- return this;
- }
+ if ( !selector ) return this;
// Handle $(DOMElement)
if ( selector.nodeType ) {
this[0] = selector;
// Handle $(DOMElement)
if ( selector.nodeType ) {
this[0] = selector;
- this.length = 1;
+ this.length++;
this.context = selector;
return this;
}
this.context = selector;
return this;
}
@@
-68,17
+65,16
@@
jQuery.fn = jQuery.prototype = {
} else {
elem = document.getElementById( match[3] );
} else {
elem = document.getElementById( match[3] );
- // Handle the case where IE and Opera return items
- // by name instead of ID
- if ( elem && elem.id !== match[3] ) {
- return rootjQuery.find( selector );
- }
-
- // Otherwise, we inject the element directly into the jQuery object
- this.length = elem ? 1 : 0;
if ( elem ) {
if ( elem ) {
+ // Handle the case where IE and Opera return items
+ // by name instead of ID
+ if ( elem.id !== match[3] ) return rootjQuery.find( selector );
+
+ // Otherwise, we inject the element directly into the jQuery object
+ this.length++;
this[0] = elem;
}
this[0] = elem;
}
+
this.context = document;
this.selector = selector;
return this;
this.context = document;
this.selector = selector;
return this;
@@
-117,6
+113,9
@@
jQuery.fn = jQuery.prototype = {
// The current version of jQuery being used
jquery: "@VERSION",
// The current version of jQuery being used
jquery: "@VERSION",
+ // The default length of a jQuery object is 0
+ length: 0,
+
// The number of elements contained in the matched element set
size: function() {
return this.length;
// The number of elements contained in the matched element set
size: function() {
return this.length;