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| author | Richard Gibson <richard.gibson@gmail.com> | 2012-10-19 17:08:50 -0400 |
|---|---|---|
| committer | Dave Methvin <dave.methvin@gmail.com> | 2012-10-19 22:32:25 -0400 |
| commit | b5084b4bf29a2e517b90d5e7d82ed17c94a71d94 (patch) | |
| tree | 63e72ba93a2dff1a43920e9ac48b243281acd56f /src/core.js | |
| parent | 32051e97c1e77d0b678648832d090168b534841c (diff) | |
| download | jquery-b5084b4bf29a2e517b90d5e7d82ed17c94a71d94.tar.gz jquery-b5084b4bf29a2e517b90d5e7d82ed17c94a71d94.zip | |
Fix #4262: faster .eq(), closes gh-1000.
Diffstat (limited to 'src/core.js')
| -rw-r--r-- | src/core.js | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/src/core.js b/src/core.js index 2f5908b55..907e40eb1 100644 --- a/src/core.js +++ b/src/core.js @@ -234,11 +234,9 @@ jQuery.fn = jQuery.prototype = { return this; }, - eq: function( i ) { - i = +i; - return i === -1 ? - this.slice( i ) : - this.slice( i, i + 1 ); + slice: function() { + return this.pushStack( core_slice.apply( this, arguments ), + "slice", core_slice.call(arguments).join(",") ); }, first: function() { @@ -249,9 +247,10 @@ jQuery.fn = jQuery.prototype = { return this.eq( -1 ); }, - slice: function() { - return this.pushStack( core_slice.apply( this, arguments ), - "slice", core_slice.call(arguments).join(",") ); + eq: function( i ) { + var len = this.length, + j = +i + ( i < 0 ? len : 0 ); + return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] ); }, map: function( callback ) { |