console 命令行工具 X clear

console

let a = '12331243453213124543565546'
const arr = a.split(' ')

const notRepeat = new et(...arr)

<div>123</div>

div{
    box-sizing: border-box;
    height: 100px;
    width: 100px;
    padding: 20px;
    margin: 20px;
    border: 1px solid red;
    background-color: #ccc

}