How to change pictures by clicking in jquery-Front-end Q&A-php.cn

How to change pictures by clicking in jquery

青灯夜游

Release： 2022-04-21 15:02:30

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Implementation method: 1. Use click() to bind the click event to the button element and set the processing function. The syntax is "button element.click(function(){});"; 2. In the processing function , use attr() to modify the image address, the syntax is "$("img").attr("src","new image address")".

How to change pictures by clicking in jquery

The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.

jquery method to implement click-to-change pictures:

Implementation ideas:

Use click() to bind the click event to the button element and set the event processing function
In the processing function, use attr() to modify the image address (i.e. modify the img element src Attribute value)

Implementation code:Click the button to change the picture

<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<script src="js/jquery-1.10.2.min.js"></script>
		<script type="text/javascript">
			$(document).ready(function() {
				$("button").click(function() {
					$("img").attr("src","img/1.jpg");
				});
			});
		</script>
	</head>

	<body>
		<img  src="img/3.jpg"    style="max-width:90%" / alt="How to change pictures by clicking in jquery" ><br><br>
		<button>点击按钮，更换图片</button>
	</body>
</html>

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How to change pictures by clicking in jquery

##Description:

How to change pictures by clicking in jquery Tag defines an image in an HTML page.

tags have two required attributes: src and alt.
The src attribute of the tag is required and specifies the URL of the image.

attr() method can set the attribute value of the specified element. When this method is used to modify the src attribute of the

How to change pictures by clicking in jquery

tag, the image is changed.

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jQuery video tutorial, web front-end video]

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