CSS3新增了resize属性,该属性允许用户通过拖动的方式来修改元素的尺寸。本来resize应该翻译为缩放,但在实际测试中通过resize属性只可以在宽高基础上实现拉伸效果,而无法实现缩放到小于宽高的效果。
[注意]IE浏览器不支持resize属性
resize
resize与overflow关系紧密,只有当元素的overflow属性值不是visible时,resize才会起作用
[注意]因为文本框本身就具有overflow:auto的属性,所以自带resize属性
值: none | both | horizontal | vertical
初始值: none
应用于: 块级元素、替换元素、表单元格
继承性: 无
<span style="color: #000000;">none: 用户无法调整元素尺寸 both: 用户可调整元素的宽度和高度 horizontal: 用户只可调整元素的宽度 vertical: 用户只可调整元素的高度</span>
[注意]在win7下resize拖拽区域的大小是17px*17px,实际上它就是滚动条尺寸

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