句法:
element.removeProperty('property')
实例1:
<!DOCTYPE html>
<html>
<head>
<title>
How to remove CSS property using JavaScript?
</title>
<style>
.elem {
color: green;
font-size: 3rem;
text-decoration: underline;
}
</style>
</head>
<body>
<h1 style="color: green">
GeeksForGeeks
</h1>
<b>
How to remove CSS property using JavaScript?
</b>
<div class="elem">Hello World!</div>
<p>
Click on the button below to remove
the text decoration of the element
</p>
<button onclick="removeProperty()">
Remove text-decoration property
</button>
<script>
function removeProperty() {
element =
document.styleSheets[0].cssRules[0].style;
element.removeProperty('text-decoration');
}
</script>
</body>
</html>
输出:
在单击按钮之前:
单击按钮后:
方法2:使用setProperty方法:该CSSStyleDeclaration.setProperty()方法可用于设置的样式的所需的属性。选择必须删除其属性的元素,并将此属性应用于其style属性。将此属性设置为“ initial”可将属性重置为其初始值,从而消除该属性的任何影响。
句法:
element.style.setProperty('color','initial')
例如:
<!DOCTYPE html>
<html>
<head>
<title>
How to remove CSS property using JavaScript?
</title>
<style>
.elem {
color: green;
font-size: 3rem;
text-decoration: underline;
}
</style>
</head>
<body>
<h1 style="color: green">
GeeksForGeeks
</h1>
<b>
How to remove CSS property using JavaScript?
</b>
<div class="elem">Hello World!</div>
<p>
Click on the button below to remove the text
color of the element
</p>
<button onclick="removeProperty()">
Remove color property
</button>
<script>
function removeProperty() {
element = document.querySelector('.elem');
element.style.setProperty('color', 'initial');
}
</script>
</body>
</html>
输出:
- 在单击按钮之前:
单击按钮后:
本文完~