HTML DOM Style pageBreakBefore property
Style Objects Definition and Usage
pageBreakBefore property sets or returns the tab behavioral elements before (for printing or print preview).
Note: pageBreakBefore property does not affect absolutely positioned elements.
grammar
Setting pageBreakBefore properties:
Object.style.pageBreakBefore="auto|always|avoid|emptystring|left|right|inherit"
Back pageBreakBefore properties:
Object.style.pageBreakBefore
| 值 | 描述 |
|---|---|
| auto | 默认。如果必要则在元素前插入分页符。 |
| always | 总是在元素前插入分页符。 |
| avoid | 避免在元素前插入分页符。 |
| "" (empty string) | 在元素前不插入分页符。 |
| left | 在元素前插入一个或两个分页符，一直到一张空白的左页为止。 |
| right | 在元素前插入一个或两个分页符，一直到一张空白的右页为止。 |
| inherit | pageBreakBefore 属性的值从父元素继承。 |
Browser Support
All major browsers support pageBreakBefore property.
Note: IE7 and earlier versions do not support the "inherit" value.IE8 only provides! DOCTYPE supported "inherit". IE9 support "inherit".
Examples
Examples
Always set a page break before = "footer" of <p> elements in each id:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<script>
function setPageBreak(){
document.getElementById("footer").style.pageBreakBefore="always";
}
</script>
</head>
<body>
<h1>这是个标题</h1>
<p>这是一个段落</p>
<p id="footer">这是底部段落</p>
<button type="button" onclick="setPageBreak()">设置底部段的上一页</button>
<p>单击上面的按钮查看打印或打印预览的变化。</p>
</body>
</html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<script>
function setPageBreak(){
document.getElementById("footer").style.pageBreakBefore="always";
}
</script>
</head>
<body>
<h1>这是个标题</h1>
<p>这是一个段落</p>
<p id="footer">这是底部段落</p>
<button type="button" onclick="setPageBreak()">设置底部段的上一页</button>
<p>单击上面的按钮查看打印或打印预览的变化。</p>
</body>
</html>
try it"
Style Objects