Thanks! Please check your inbox to confirm your subscription. If you haven’t previously confirmed a subscription to a Mozilla-related newsletter you may have to do so. Please check your inbox or your spam filter for an email from us. smaug The right link to the spec is http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#mutation-observers Also, the API will be un-prefix very soon. We want to
Reflows & Repaints: CSS Performance making your JavaScript slow? I’ve been tweeting and posting to delicious about reflows and repaints, but hadn’t mentioned either in a talk or blog post yet. I first started thinking about reflows and repaints after a firey exchange with Mr. Glazman at ParisWeb. I may be stubborn, but I did actually listen to his arguments. 🙂 Stoyan and I began discussing wa
に釣られて。 HatenaStar.js 1380 行目 テキストノード走査 一番のボトルネックはやはりここですね。IEなので、こんな感じでベタに計測。 makeTextNodes: function(c) { if (c.textNodes || c.textNodePositions || c.documentText) return; if (Ten.Highlight.highlighted) Ten.Highlight.highlighted.hide(); c.textNodes = []; c.textNodePositions = []; var isIE = navigator.userAgent.indexOf('MSIE') != -1; var texts = []; var pos = 0; var st = new Date*1; (function(node,
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