webapp,怎么设置div,宽度100%,可以上下拖拉调整高度，如下图效果

Question

有什么插件可以实现如下效果吗，webapp的

默认状态

通过手势，按住蓝色的div,可以上下拖拉调整红色线下面div人高度

Answer 1

这不是css就能写的么&nbsp; &nbsp; body{&nbsp; &nbsp; &nbsp; -webkit-user-select: none;&nbsp; &nbsp; }&nbsp; &nbsp; .box {&nbsp; &nbsp; &nbsp; display: inline-block;&nbsp; &nbsp; &nbsp; border-bottom: 2px solid red;&nbsp; &nbsp; }&nbsp; &nbsp; .cont{&nbsp; &nbsp; &nbsp; width:150px;&nbsp; &nbsp; &nbsp; height: 8px;&nbsp; &nbsp; &nbsp; resize:vertical;&nbsp; &nbsp; &nbsp; overflow: hidden;&nbsp; &nbsp; &nbsp; margin-right: 150px;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; }&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; <div class="box">&nbsp; <div class="cont"></div></div><p>wwwwwwwwwwwwwwwwwww</p>