How to add child nodes in JavaScript

How to add child nodes in JavaScript: first use the "document.getElementById("id")" statement to get the parent element node according to the specified id value; then use "parent node.innerHTML=" The child node contentname>"" statement adds a child node.

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.

JavaScript to add child nodes

Create an HTML file like this:

In In the script tag, write the js code:

Get the div element:

After obtaining it, you can operate it , use innerHTML to add the sub-element p inside it:

In this way, we have added a p element to this div, if other elements need to be added inside If so, you can also write directly:

[Recommended learning: javascript advanced tutorial]

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