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No ticket. Optimize top/left hooks: move the position check up, don't re-check it inside a hook.

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Michał Gołębiowski 2013-09-06 18:29:53 +02:00
parent 3ec6af891b
commit 6987220d2b
1 changed files with 8 additions and 10 deletions
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18
src/css.js
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@ -589,22 +589,20 @@ jQuery.each( [ "top", "left" ], function( i, prop ) {
return;
}
if ( pixelPosition ) {
// Hook not needed, remove it.
if ( pixelPosition || !jQuery.fn.position ) {
// Hook not needed or impossible to apply due to a missing module, remove it.
// Since there are no other hooks for prop, remove the whole object.
delete jQuery.cssHooks[ prop ];
return;
}
jQuery.cssHooks[ prop ].get = function ( elem, computed ) {
if ( !support.pixelPosition() && jQuery.fn.position ) {
if ( computed ) {
computed = curCSS( elem, prop );
// if curCSS returns percentage, fallback to offset
return rnumnonpx.test( computed ) ?
jQuery( elem ).position()[ prop ] + "px" :
computed;
}
if ( computed ) {
computed = curCSS( elem, prop );
// if curCSS returns percentage, fallback to offset
return rnumnonpx.test( computed ) ?
jQuery( elem ).position()[ prop ] + "px" :
computed;
}
};