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Improve performance of get() for negative indices. Fixes #5476.

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This commit is contained in:
Anton M 2010-11-19 12:28:13 +01:00
parent 0838bdf52c
commit 5c0b5d2560
2 changed files with 6 additions and 6 deletions
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2
src/core.js
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@ -215,7 +215,7 @@ jQuery.fn = jQuery.prototype = {
this.toArray() :
// Return just the object
( num < 0 ? this.slice(num)[ 0 ] : this[ num ] );
( num < 0 ? this[ this.length + num ] : this[ num ] );
},
// Take an array of elements and push it onto the stack

10
test/unit/core.js
View File

@ -547,15 +547,15 @@ test("toArray()", function() {
})
test("get(Number)", function() {
expect(1);
expect(2);
equals( jQuery("p").get(0), document.getElementById("firstp"), "Get A Single Element" );
strictEqual( jQuery("#firstp").get(1), undefined, "Try get with index larger elements count" );
});
test("get(-Number)",function() {
expect(1);
equals( jQuery("p").get(-1),
document.getElementById("first"),
"Get a single element with negative index" )
expect(2);
equals( jQuery("p").get(-1), document.getElementById("first"), "Get a single element with negative index" );
strictEqual( jQuery("#firstp").get(-2), undefined, "Try get with index negative index larger then elements count" );
})
test("each(Function)", function() {