How do I display the elements based on their attribute in XML ?

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Javascript

HTML

For ex: this is a xml file(books.xml)

<book>
<Author name="erty">4546
<Author name="njkh">536
<Author name="nmkj">767
<Author name="uhdf">8746


I want to display only the element whose attribute(name) value is "erty".
How do i display that in html using javascript.

What I have tried:

I found that jquery selector and document.queryselectorAll() can be used ...but i dont know how to use these in html.

Please reply as soon as possible.
Thanks!