Using querySelectorAll(). Is the result returned by the method ordered?
I\'m trying to make a js code that works with multiple pages. I\'m trying to use querySelectorAll() to obtain the elements form the DOM.
I need the elements to be or
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The returned node list is ordered. A quick test proved it:
document.querySelectorAll("body, head")[0]; //Returned [object HTMLHeadElement]Obviously, the
<head>tag appears before<body>in a HTML document. The first element of the NodeList is also a<head>element, even if the selector showsbodybefore `head.From http://www.w3.org/TR/selectors-api/#queryselectorall:
The
querySelectorAll()method on the NodeSelector interface must, when invoked, return a NodeList containing all of the matching Element nodes within the node’s subtrees, in document order. If there are no such nodes, the method must return an empty NodeList.讨论(0)
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