How to set the value of p in javascript

How to set the p value in javascript: 1. Use the getElementById() method to obtain the p element object according to the specified id; 2. Use the innerText attribute to set the value of the p element object, the syntax is "p element object.innerText=" The value that needs to be set is "".

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

javascript sets the value of p

• First use the getElementById() method to obtain the p element object based on the specified id;

• Then use the innerText property to set the value of the p element object.

Implementation code:

<p id="demo">p标签初始值</p><br>
<input type="button" value="点击按钮改变p值" onclick="a()"/>
<script type="text/javascript">
	function a(){
		var p=document.getElementById("demo");
		p.innerText="欢迎来到PHP中文网！"
	}
</script>

Rendering:

[Recommended learning: javascript advanced tutorial 】

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