js实现点击复制,将内容复制至剪贴板

js实现点击复制

<!DOCTYPE html>
<html lang="zh-CN">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <div class="text">555588889999</div>
  <div class="copyBtn">点击复制</div>
</head>

<body>

</body>
<script>
  function $(tag){
    return document.querySelector(tag)
  }
  const my_text = $(\'.text\')
  const my_copyBtn = $(\'.copyBtn\')
  my_copyBtn.onclick = function(){
    console.log(my_text.innerText);
    navigator.clipboard.writeText(my_text.innerText).then(()=>{
      alert(\'复制成功\')
    }).catch(()=>{
      alert(\'复制失败\')
    })
  }
</script>

</html>