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defer some expensive DOM fiddling

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Mark Pilgrim
2009-09-27 01:29:24 -04:00
parent cf2d769f0e
commit a57a28aeae
1 changed files with 24 additions and 20 deletions
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j/dip3.js
+24 -20
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@@ -168,32 +168,36 @@ $(document).ready(function() {
var hip = {'background-color':'#eee','cursor':'default'};
var unhip = {'background-color':'inherit','cursor':'inherit'};
$("pre.code, pre.screen").each(function() {
var s = '';
var ol = $(this).next("ol");
var refs = $(this).find("a:not([href])");
refs.each(function(i) {
var li = ol.find("li:nth-child(" + (i+1) + ")");
s += "<tr><td style='text-align:center;vertical-align:baseline;margin:0;padding:0;width:2em;border:0'><span class='u'>&#x" + (parseInt('2460', 16) + i).toString(16) + ";</span></td><td style='vertical-align:top;margin:0;padding:0;width:auto;border:0'>" + li.html() + "</td></tr>";
});
ol.replaceWith("<table style='width:100%;border-collapse:collapse;margin:0'>" + s + "</table>");
refs.each(function(i) {
var a = $(this);
var li = a.parents("pre").next("table").find("tr:nth-child(" + (i+1) + ") td:nth-child(2)");
li.add(a).hover(function() { a.css(hip); li.css(hip); },
function() { a.css(unhip); li.css(unhip); });
});
var _this = $(this);
window.setTimeout(function() {
var s = '';
var ol = _this.next("ol");
var refs = _this.find("a:not([href])");
refs.each(function(i) {
var li = ol.find("li:nth-child(" + (i+1) + ")");
s += "<tr><td style='text-align:center;vertical-align:baseline;margin:0;padding:0;width:2em;border:0'><span class='u'>&#x" + (parseInt('2460', 16) + i).toString(16) + ";</span></td><td style='vertical-align:top;margin:0;padding:0;width:auto;border:0'>" + li.html() + "</td></tr>";
});
ol.replaceWith("<table style='width:100%;border-collapse:collapse;margin:0;border:0'>" + s + "</table>");
refs.each(function(i) {
var a = $(this);
var li = a.parents("pre").next("table").find("tr:nth-child(" + (i+1) + ") td:nth-child(2)");
li.add(a).hover(function() { a.css(hip); li.css(hip); },
function() { a.css(unhip); li.css(unhip); });
});
}, 0);
});
/* synchronized highlighting on callouts and their associated table rows */
$("table").each(function() {
$(this).find("tr:gt(0)").each(function(i) {
var tr = $(this);
var li = tr.parents("table").next("ol").find("li:nth-child(" + (i+1) + ")");
if (li.length > 0) {
li.add(tr).hover(function() { tr.css(hip); li.css(hip); },
function() { tr.css(unhip); li.css(unhip); });
}
window.setTimeout(function() {
var li = tr.parents("table").next("ol").find("li:nth-child(" + (i+1) + ")");
if (li.length > 0) {
li.add(tr).hover(function() { tr.css(hip); li.css(hip); },
function() { tr.css(unhip); li.css(unhip); });
}
}, 0);
});
});