Comment #4 on issue 2106 by MatthewAlanKane: styleSheets.cssRules[index]
with invalid index returns CSSStyleRule object instead of undefined
http://code.google.com/p/chromium/issues/detail?id=2106
Problem still exists. Makes it difficult to find and modify CSS rules.
Temporary imperfect workaround:
for (var i=0; i<document.styleSheets.length; i++) {
var styleSheet=document.styleSheets[i];
var ii=0;
var cssRule=false;
var last=false;
do {
if (styleSheet.cssRules) {
cssRule = styleSheet.cssRules[ii];
} else {
cssRule = styleSheet.rules[ii];
}
if (cssRule) {
alert(cssRule.selectorText.toLowerCase());
}
// CHROME FIX
if (cssRule == last) {
cssRule = false;
}
last=cssRule;
// END FIX
ii++;
} while (cssRule)
}
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