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console 命令行工具 X clear

                    
>
console
<div class="wrap">
  <div class="box"></div>
  <div class="box"></div>
</div>
.wrap{
  border: 1px solid red;
  overflow: hidden;
}
.box{
  width: 50px;
  height: 50px;
  background: skyblue;
  float: left;
}