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column-break-before:auto | always | avoid | left | right | page | column | avoid-page | avoid-column
默认值:auto
适用于:块级元素
继承性:无
动画性:否
计算值:指定值
auto:既不强迫也不禁止在元素之前断行并产生新列
always:总是在元素之前断行并产生新列
avoid:避免在元素之前断行并产生新列
对应的脚本特性为columnBreakBefore。
Values | IE | Firefox | Chrome | Safari | Opera | iOS Safari | Android Browser | Android Chrome |
---|---|---|---|---|---|---|---|---|
Basic Support | 6.0-9.0 | 2.0-40.0 | 4.0-45.0-webkit- | 6.0-8.0-webkit- | 15.0-29.0-webkit- | 6.0-8.3-webkit- | 2.1-4.4.4-webkit- | 18.0-42.0-webkit- |
10.0+ |
<!DOCTYPE html> <html lang="zh-cmn-Hans"> <head> <meta charset="utf-8" /> <title>column-break-before_CSS参考手册_web前端开发参考手册系列</title> <meta name="author" content="Joy Du(飘零雾雨), dooyoe@gmail.com, www.doyoe.com" /> <style> body{font:14px/1.5 georgia,serif,sans-serif;} .test p,.test div{margin:0;padding:5px 10px;background:#eee;} h1{margin:10px 0;font-size:16px;} .test{ width:600px; border:10px solid #000; -moz-column-count:4; -moz-column-gap:20px; -moz-column-rule:3px solid #090; -webkit-column-count:4; -webkit-column-gap:20px; -webkit-column-rule:3px solid #090; column-count:4; column-gap:20px; column-rule:3px solid #090; } .test div{ -moz-column-break-before:always; -webkit-column-break-before:always; column-break-before:always; } </style> </head> <body> <h1>column-break-before:always</h1> <div class="test"> <p>This module describes multi-column layout in CSS. By using functionality described in this document, style sheets can declare that the content of an element is to be laid out in multiple columns.</p> <div>不管上一列有没有填满,我都另起一列</div> <p>This module describes multi-column layout in CSS. By using functionality described in this document, style sheets can declare that the content of an element is to be laid out in multiple columns.</p> </div> </body> </html>
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