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How to click a button to modify text with JavaScript

青灯夜游Original: 2022-01-19 10:45:4110002browse

How to modify text by clicking a button in JavaScript: 1. Create a button element, use the onclick attribute to bind the click event, and set the event processing function; 2. In the event processing function, use "element object.innerHTML= The "modified text content";" statement can modify the text content of the element.

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

JavaScript clicks the button to modify the text

Implementation idea:

Create a button element, use The onclick attribute binds the click event and sets the event processing function;
In the event processing function, use the innerHTML attribute to modify the text content of the element.

Implementation code:

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
	</head>
	<body>
		<p id="con">默认文本内容</p>
		<button onclick="myFunction()">点击按钮修改文本内容</button>
		<script>
			function myFunction() {
				var p=document.getElementById("con");
				p.innerHTML="修改后的文本内容";
			}
		</script>
	</body>
</html>

How to click a button to modify text with JavaScript

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JavaScript 对象事件 innerHTML

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