HTML DOM Style marginBottom property
Style Objects Definition and Usage
marginBottom property sets or returns the next element from the outside.
grammar
Setting marginBottom properties:
Object.style.marginBottom="%|length|auto|inherit"
Back marginBottom properties:
Object.style.marginBottom
| 值 | 描述 |
|---|---|
| % | 定义基于父元素宽度的百分比下外边距。 |
| length | 使用 px、cm 等单位定义下外边距的宽度。 |
| auto | 浏览器设定的下外边距。 |
| inherit | 下外边距从父元素继承。 |
Browser Support
All major browsers support marginBottom property.
Note: IE7 and earlier versions do not support the "inherit" value.IE8 only provides! DOCTYPE supported "inherit". IE9 support "inherit".
Tips and Notes
margin properties and padding properties are inserted into the space around the element. However, the difference is, margin will be inserted into the space around the outside of the border, padding inserts space within the element border.
Examples
Examples
Change the bottom margin of the div element:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<style type="text/css">
div{
border: 1px solid #FF0000;
}
</style>
<script>
function changeMargin(){
document.getElementById("ex1").style.marginBottom="100px";
}
function changePadding(){
document.getElementById("ex2").style.paddingBottom="100px";
}
</script>
</head>
<body>
<div id="ex1">这是一些文本。</div>
<br>
<button type="button" onclick="changeMargin()">修改div元素的底部外间距</button>
<br>
<br>
<div id="ex2">这是一些文本。</div>
<br>
<button type="button" onclick="changePadding()">修改div元素的底部内间距</button>
</body>
</html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<style type="text/css">
div{
border: 1px solid #FF0000;
}
</style>
<script>
function changeMargin(){
document.getElementById("ex1").style.marginBottom="100px";
}
function changePadding(){
document.getElementById("ex2").style.paddingBottom="100px";
}
</script>
</head>
<body>
<div id="ex1">这是一些文本。</div>
<br>
<button type="button" onclick="changeMargin()">修改div元素的底部外间距</button>
<br>
<br>
<div id="ex2">这是一些文本。</div>
<br>
<button type="button" onclick="changePadding()">修改div元素的底部内间距</button>
</body>
</html>
try it"
Style Objects