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How to use insertBefore in javascript

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In JavaScript, the insertBefore() method is used to insert a new node in the DOM tree. This method requires two parameters: the new node to be inserted and the reference node (that is, the node where the new node will be inserted). If you want to know more about insertBefore, you can read the article below this topic.

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time：2023-11-24 11:59:50
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