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<!doctype html> | |
<html> | |
<head> | |
<title>getQuerySelector Bug</title> | |
<script> | |
var axs = {}; | |
axs.browserUtils = {}; | |
axs.browserUtils.matchSelector = function(element, selector) { | |
if (element.webkitMatchesSelector) | |
return element.webkitMatchesSelector(selector); | |
if (element.mozMatchesSelector) | |
return element.mozMatchesSelector(selector); | |
return false; | |
} | |
axs.utils = {}; | |
axs.utils.getQuerySelectorText = function(obj) { | |
if (obj == null || obj.tagName == 'HTML') { | |
return 'html'; | |
} else if (obj.tagName == 'BODY') { | |
return 'body'; | |
} | |
if (obj.hasAttribute) { | |
if (obj.id) { | |
return '#' + obj.id; | |
} | |
if (obj.className) { | |
var selector = ''; | |
for (var i = 0; i < obj.classList.length; i++) | |
selector += '.' + obj.classList[i]; | |
var total = 0; | |
if (obj.parentNode) { | |
for (i = 0; i < obj.parentNode.children.length; i++) { | |
var similar = obj.parentNode.children[i]; | |
if (axs.browserUtils.matchSelector(similar, selector)) | |
total++; | |
if (similar === obj) | |
break; | |
} | |
} else { | |
total = 1; | |
} | |
if (total == 1) { | |
return axs.utils.getQuerySelectorText(obj.parentNode) + | |
' > ' + selector; | |
} else { | |
return axs.utils.getQuerySelectorText(obj.parentNode) + | |
' > ' + selector + ':nth-of-type(' + total + ')'; | |
} | |
} | |
if (obj.parentNode) { | |
var similarTags = obj.parentNode.children; | |
var total = 1; | |
var i = 0; | |
while (similarTags[i] !== obj) { | |
if (similarTags[i].tagName == obj.tagName) { | |
total++; | |
} | |
i++; | |
} | |
var next = ''; | |
if (obj.parentNode.tagName != 'BODY') { | |
next = axs.utils.getQuerySelectorText(obj.parentNode) + | |
' > '; | |
} | |
if (total == 1) { | |
return next + | |
obj.tagName; | |
} else { | |
return next + | |
obj.tagName + | |
':nth-of-type(' + total + ')'; | |
} | |
} | |
} else if (obj.selectorText) { | |
return obj.selectorText; | |
} | |
return ''; | |
}; | |
</script> | |
</head> | |
<body> | |
<ul> | |
<li>One</li> | |
<li class="thing">Two</li> | |
<li class="thing">Three</li> | |
</ul> | |
<script> | |
var lastLi = document.querySelectorAll('.thing')[1]; | |
var selector = axs.utils.getQuerySelectorText(lastLi); | |
console.assert(lastLi === document.querySelector(selector), 'nth-of-type means nth of same nodeName'); | |
</script> | |
</body> | |
</html> |
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