CSS 4.2.4参考手册
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characters

语法：

flex-wrap：nowrap | wrap | wrap-reverse

默认值：nowrap

适用于：flex容器

继承性：无

动画性：否

计算值：指定值

取值：

  • nowrap：flex容器为单行。该情况下flex子项可能会溢出容器

  • wrap：flex容器为多行。该情况下flex子项溢出的部分会被放置到新行，子项内部会发生断行

  • wrap-reverse：反转 wrap 排列。

说明：

该属性控制flex容器是单行或者多行，同时横轴的方向决定了新行堆叠的方向。

  • 对应的脚本特性为flexWrap。

兼容性：

ValuesIEFirefoxChromeSafariOperaiOS SafariAndroid BrowserAndroid Chrome
Basic Support6.0-10.02.0-27.04.0-20.06.015.0+-webkit-6.0-6.12.1-4.318.0-19.0
11.028.0+21.0+-webkit-6.1+-webkit-17.0+7.0+-webkit-4.4+20.0+-webkit-
29.0+9.0+9.0+28.0+

示例：

实例

<!DOCTYPE html>
<html lang="zh-cmn-Hans">
<head>
<meta charset="utf-8" />
<title>flex-wrap_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>
h1{font:bold 20px/1.5 georgia,simsun,sans-serif;}
.box{
	display:-webkit-flex;
	display:flex;
	width:220px;margin:0;padding:10px;list-style:none;background-color:#eee;}
.box li{width:100px;height:100px;border:1px solid #aaa;text-align:center;}
#box{
	-webkit-flex-wrap:nowrap;
	flex-wrap:nowrap;
}
#box2{
	-webkit-flex-wrap:wrap;
	flex-wrap:wrap;
}
#box3{
	-webkit-flex-wrap:wrap-reverse;
	flex-wrap:wrap-reverse;
}
</style>
</head>
<body>
<h1>flex-wrap示例：</h1>
<h2>flex-wrap:nowrap</h2>
<ul id="box" class="box">
	<li>a</li>
	<li>b</li>
	<li>c</li>
</ul>
<h2>flex-wrap:wrap</h2>
<ul id="box2" class="box">
	<li>a</li>
	<li>b</li>
	<li>c</li>
</ul>
<h2>flex-wrap:wrap-reverse</h2>
<ul id="box3" class="box">
	<li>a</li>
	<li>b</li>
	<li>c</li>
</ul>
</body>
</html>

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