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2025-03-31 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
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Most people do not understand the knowledge points of this article "how to use javascript to find elements", so the editor summarizes the following content, detailed content, clear steps, and has a certain reference value. I hope you can get something after reading this article. Let's take a look at this "how to use javascript to find elements" article.
Specific use of syntax:
1. Get elements according to id
Document.getElementById ("value of id property")
two。 Get the element based on the tag name
Document.getElementsByTagName ("name of the tag")
3. Get the element based on the value of the name attribute
Document.getElementsByName ("value of name property")
4. Get the element based on the class attribute
Document.getElementsByClassName ("name of class style")
5. Get the element according to the css path (get one)
Document.querySelector ("css path")
6. Get elements according to css path (get a set)
Document.querySelectorAll ("css path"); the above is the content of this article on "how to find elements with javascript". I believe we all have some understanding. I hope the content shared by the editor will be helpful to you. If you want to know more about the relevant knowledge, please follow the industry information channel.
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