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ES6-ES11易忘笔记

2022-06-17 14:00:59 作者：互联网

let 经典案例实践

点击切换背景色案例

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Document</title>
  <style>
    .item{
      width: 100px;
      height: 60px;
      display: inline-block;
      border-radius: 4px;
      border: 2px solid #e06ad4;
    }
  </style>
</head>
<body>
  <div class="content">
    <h2>点击切换颜色</h2>
    <div class="item"></div>
    <div class="item"></div>
    <div class="item"></div>
  </div>
  <script>
    const items = document.querySelectorAll('.item')

    for(let i = 0; i < items.length; i ++) {
      items[i].onclick = function () {
        items[i].style.backgroundColor = 'pink'
      }
    }
  </script>
</body>
</html>

rest 参数

function fn (a, b, ...args) {
  console.log(a, b, ...args)
}
fn(1,2,3,4)

标签：function,ES6,...,items,args,笔记,let,ES11,border
来源： https://www.cnblogs.com/lwlblog/p/16385490.html