Home > Article > Web Front-end > How to add borders to elements in javascript
How to add borders to elements in javascript
- 青灯夜游Original
- 2021-09-16 17:26:069414browse
How to add a border to an element in JavaScript: 1. Use the statement "Element object.style.border="width value style value color value""; 2. Use "Element object.style.cssText="border" :Width value style value color value "" statement.
The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.
Method 1: Use HTML DOM border attribute
Syntax: Object.style.border=borderWidth borderStyle borderColor
Example:
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" id="remove">
<style>
div{
width: 80px;
height: 30px;
margin: 10px auto;
}
</style>
</head>
<body style="text-align:center;">
<p style="font-size: 19px; font-weight: bold;">单击按钮给div元素添加边框</p>
<div id="div">div元素</div>
<button onClick="Fun()">点击这里</button>
<script>
var div = document.getElementById('div'); //获取div元素对象
function Fun() {
div.style.border="1px solid red"; //给div元素对象添加样式
}
</script>
</body>
</html>Rendering:
##2. Use cssText attribute
The essence of cssText is to set the style attribute value of HTML elements. Syntax:Object.style.cssText="Attribute name: attribute value";
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" id="remove">
<style>
div{
width: 80px;
height: 30px;
margin: 10px auto;
}
</style>
</head>
<body style="text-align:center;">
<p style="font-size: 19px; font-weight: bold;">单击按钮给div元素添加边框</p>
<div id="div">div元素</div>
<button onClick="Fun()">点击这里</button>
<script>
var div = document.getElementById('div'); //获取div元素对象
function Fun() {
div.style.cssText="border:1px dashed green"; //给div元素对象添加样式
}
</script>
</body>
</html>Rendering: 
javascript advanced tutorial]
The above is the detailed content of How to add borders to elements in javascript. For more information, please follow other related articles on the PHP Chinese website!