DOM node replacement or modification function replaceChild() usage example_javascript skills

The example in this article describes the usage of the replaceChild() function to replace or modify DOM nodes. Share it with everyone for your reference. The specific analysis is as follows:

DOM node replacement process:
(1) Create a new node;
(2) Find the old node;
(3) From the perspective of the parent node, use the replaceChild(new, old) function to replace.

Copy code The code is as follows:

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Node replacement and modification

I hope this article will be helpful to everyone’s JavaScript programming design.