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How to check element is child of specific element?

原文 2016-06-16 22:08:39 0 1 javascript/ html

If I get elementA and elementB with document.querySelector , how to can I check if elementA is a child element of elementB without jQuery ?

Considering elementA maybe not first level child of elementB .

Exemple: http://jsbin.com/jijoqicozo/edit?html,js,output

1 answers

You can use B.contains(A) to determine if element A is a descendent of element B.

Note that node.contains is inclusive, meaning that B.contains(B) === true

https://developer.mozilla.org/en/docs/Web/API/Node/contains

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How to check element is child of specific element?

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1 answers

solution1 4 ACCPTED 2016-06-16 22:15:52

solution1
4 ACCPTED 2016-06-16 22:15:52