HTML DOM Style marginLeft property
Style Objects Definition and Usage
marginLeft property sets or returns the element in the left margin.
grammar
Setting marginLeft properties:
Object.style.marginLeft="%|length|auto|inherit"
Back marginLeft properties:
Object.style.marginLeft
| 值 | 描述 |
|---|---|
| % | 定义基于父元素宽度的百分比左外边距。 |
| length | 使用 px、cm 等单位定义左外边距的宽度。 |
| auto | 浏览器设定的左外边距。 |
| inherit | 左外边距从父元素继承。 |
Browser Support
All major browsers support marginLeft 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 div element in the left margin:
<!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.marginLeft="100px";
}
function changePadding(){
document.getElementById("ex2").style.paddingLeft="100px";
}
</script>
</head>
<body>
<div id="ex1">这是一些文本。</div>
<br>
<button type="button" onclick="changeMargin()">修改div元素的左部外间距</button>
<br>
<br>
<div id="ex2">这是一些文本。</div>
<br>
<button type="button" onclick="changePadding()">修改div元素的左部内间距</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.marginLeft="100px";
}
function changePadding(){
document.getElementById("ex2").style.paddingLeft="100px";
}
</script>
</head>
<body>
<div id="ex1">这是一些文本。</div>
<br>
<button type="button" onclick="changeMargin()">修改div元素的左部外间距</button>
<br>
<br>
<div id="ex2">这是一些文本。</div>
<br>
<button type="button" onclick="changePadding()">修改div元素的左部内间距</button>
</body>
</html>
try it"
Style Objects