[Webkit-unassigned] [Bug 23662] Browser hangs for a long time first time a link is clicked

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=23662





------- Comment #4 from mrowe at apple.com  2009-01-31 03:54 PDT -------
I suspect that a trivial change to jQuery could be made to avoid tickling this
performance cliff.  If the "hide" method were change to use two separate loops
it would avoid modifying the style info between each query of the "display"
property and would therefore avoid the need to re-layout so many times. 
Something like the following:

for ( var i = 0, l = this.length; i < l; i++ ){
        var old = jQuery.data(this[i], "olddisplay");
        if ( !old && old !== "none" )
                jQuery.data(this[i], "olddisplay", jQuery.css(this[i],
"display"));
}
for ( var i = 0, l = this.length; i < l; i++ )
    this[i].style.display = "none";


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