How to modify z-index value in jquery-JS Tutorial-php.cn

How to modify z-index value in jquery

青灯夜游

Release： 2021-11-16 15:24:43

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How to modify z-index value in jquery: 1. Use css() method, syntax "$(selector).css("z-index","value")"; 2. Use attr() Method, syntax "$(selector).attr("style","z-index:value")".

How to modify z-index value in jquery

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

In jquery, you can use the css() or attr() method to modify the z-index value of the element.

#css() method sets one or more style properties of the selected element.
attr() method can set the attribute value of the selected element.

Example:

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<style type="text/css">
			img {
				position: absolute;
				left: 0px;
				top: 0px;
				z-index: -1;
			}
		</style>
		<script src="js/jquery-1.10.2.min.js"></script>
		<script type="text/javascript">
			$(document).ready(function() {
				$("button").click(function() {
					// $("img").css("z-index","1");
					$("img").attr("style","z-index:1;");
				});
			});
		</script>

	</head>

	<body>
		<h1>This is a heading</h1>
		<img  src="img/2.jpg" / alt="How to modify z-index value in jquery" >
		<p>由于图像的 z-index 是 -1，因此它在文本的后面出现。</p><br /><br /><br /><br /><br /><br />
		<button id="but1">改变z-index值，让图片在文字前</button> 
	</body>
</html>

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How to modify z-index value in jquery

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