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This article mainly introduces how to obtain the elements of JavaScript, the article introduces in great detail, has a certain reference value, interested friends must read it!

Get elements according to id

To get the element according to id is to use getElementById to get the id name of the tag. As follows:

Document.getElementById ("id name"); gets the element document.getElementsByTagName ("name of the tag") according to the tag

Here is an example to illustrate the use of the above two acquisition elements.

Several methods of getting elements by JavaScript-(yisu.com)

This is a passage.

Document.getElementById ("btn"). Onclick=function () {var p=document.getElementsByTagName ("p"); for (var item0)

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