How to remove z-index attribute in jQuery-JS Tutorial-php.cn

How to remove z-index attribute in jQuery

王林

Release： 2024-02-19 18:27:05

Original

971 people have browsed it

How to remove z-index attribute in jQuery

When using jQuery to manipulate web page element styles, sometimes we need to delete the z-index style that has been set. The following will introduce how to remove z-index style in jQuery and provide specific code examples.

First, let’s understand what the z-index style does. z-index is a CSS property that controls the stacking order of elements in a stacking context. Elements with higher z-index values override elements with lower z-index values. Sometimes we need to remove the z-index style that has been set, perhaps to restore the default stacking order of elements, or to reset the z-index in a dynamic operation.

Here are the steps on how to remove z-index style in jQuery:

Select the element where z-index style needs to be removed. Elements can be selected by their class name, ID, tag name, or other selectors.
Use jQuery’s css() method to remove the z-index style. You can remove the z-index style that has been set on an element by setting the value of the z-index attribute to null or the empty string.

The following is a specific code example that demonstrates how to remove the z-index style in jQuery:

<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<title>删除 z-index 样式示例</title>
<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<style>
    .box {
        width: 100px;
        height: 100px;
        background-color: #f0f0f0;
        position: absolute;
    }
</style>
</head>
<body>

<div class="box" id="box1" style="z-index: 999;">Box 1</div>
<div class="box" id="box2" style="z-index: 888;">Box 2</div>

<button id="removeZIndexBtn">删除 z-index 样式</button>

<script>
$(document).ready(function() {
    $('#removeZIndexBtn').click(function(){
        $('.box').css('z-index', ''); // 删除 z-index 样式
    });
});
</script>

</body>
</html>

Copy after login

In the above example, we defined two different z-index styles. For box elements with an index value, use the jQuery method to remove their z-index style when the button is clicked. When the button is clicked, the z-index styles of the two box elements will be removed and restored to the default stacking order.

Through the above code example, we can clearly understand how to remove z-index style in jQuery. Hope this article helps you!

The above is the detailed content of How to remove z-index attribute in jQuery. For more information, please follow other related articles on the PHP Chinese website!