本文介紹了在 Chrome 中嵌套 nth-child 的 querySelector 似乎不起作用的處理方法，對大家解決問題具有一定的參考價值，需要的朋友們下面隨著小編來一起學習吧！
問題描述
I've been looking at using nth-child within an nth-child selector to find an element. This appears to work in Firefox, but does not seem to be working on chrome. Here's my test file:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>untitled</title>
<!--[if IE]>
<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<script type="text/javascript" charset="utf-8">
myFunc = function() {
if(document.querySelector('#wonderful DIV:nth-child(2) DIV:nth-child(2)')) {
alert("found the element");
} else {
alert("element not found");
}
};
</script>
</head>
<body onLoad="myFunc()">
<div id="wonderful">
<div>
</div>
<div >
<div>
</div>
<div class="blue">
find me!
</div>
</div>
</div>
</body>
</html>
Has anyone else seen this issue? Have a solution to get around this?
解決方案
This worked for me in chrome, but it does not work in FF then.
document.querySelector('#wonderful div:nth-child(2):nth-child(2)')
The following snipped works in both browsers, but I assume you know that already
document.querySelector('#wonderful div:nth-child(2) div.blue')
So it looks like an implementation failure in chrome for me.
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