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Summary of adding, checking, modifying and deleting DOM trees in js

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Release: 2017-03-26 17:40:52
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Summary of adding, checking, modifying and deleting DOM trees

Abstract: The operation of HTML DOM is an essential skill for front-end JavaScript programming. This article is my own summary of DOM tree operations, mainly The list of methods, with less theoretical explanation, is suitable for everyone to clarify their ideas or review

1. What is HTML DOM?

is a standard established by W3C, a standard object model for HTML, and a programming interface for accessing HTML. All in all, it is the standard that allows us to operate HTML elements

2. Summary of the method of operating the DOM tree

I like to display it in the form of a logic diagram, which is more clear, as shown below :
Summary of adding, checking, modifying and deleting DOM trees in js

3. DOM2 and DOM3

DOM2 and DOM3 mainly extend the DOM API, such as: API for operating styles and traversal. Make operation more convenient.

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