HTML DOM Style orphans property
Style Objects Definition and Usage
orphans property sets or returns a minimum number of elements must be visible at the bottom of the page line (for printing or print preview).
orphans property only affects block-level elements.
Tip: orphans: 5 means that at least five rows must be visible above the page break.
Tip: widows property sets or returns a minimum number of elements must be visible at the top of the line of the page.
grammar
Setting orphans properties:
Object.style.orphans="number|inherit"
Back orphans attributes:
Object.style.orphans
| 值 | 描述 |
|---|---|
| number | 一个规定可见行的最小数量的整数。默认值是 2。 |
| inherit | orphans 属性的值从父元素继承。 |
Browser Support
Only Opera supports orphans property.
Examples
Examples
Change the print or print preview orphans attributes:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<script>
function ChangeOrphans(){
document.getElementById("p1").style.orphans=document.getElementById("orphans").value;
}
</script>
<style>
.othercontent{
width:400px;
border-top:19cm solid #c3c3c3;
}
@page{
/* 设置打印页面大小 */
size:21cm 27cm;
margin-top:2cm;
}
@media print{
.orphans{
orphans:2;
}
}
</style>
</head>
<body>
<div class="othercontent">
<input id="orphans" value="2"/>
<button onclick="ChangeOrphans();">修改orphans属性</button>
<p style="font-size:120%" id="p1">
修改打印或打印预览的orphans属性。<br>
Line 2<br>
Line 3<br>
Line 4<br>
Line 5<br>
Line 6<br>
Line 7<br>
Line 8<br>
</p>
</div>
</body>
</html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<script>
function ChangeOrphans(){
document.getElementById("p1").style.orphans=document.getElementById("orphans").value;
}
</script>
<style>
.othercontent{
width:400px;
border-top:19cm solid #c3c3c3;
}
@page{
/* 设置打印页面大小 */
size:21cm 27cm;
margin-top:2cm;
}
@media print{
.orphans{
orphans:2;
}
}
</style>
</head>
<body>
<div class="othercontent">
<input id="orphans" value="2"/>
<button onclick="ChangeOrphans();">修改orphans属性</button>
<p style="font-size:120%" id="p1">
修改打印或打印预览的orphans属性。<br>
Line 2<br>
Line 3<br>
Line 4<br>
Line 5<br>
Line 6<br>
Line 7<br>
Line 8<br>
</p>
</div>
</body>
</html>
try it"
Style Objects