js網頁(移動端適用)復制文字


<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>
    <div class="u_div"> <span>微信</span>
        <div id="wxnum">123456</div>
        <a href="javascript:void(0);" id="copyBtn">復制</a>
    </div>
</body>
<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<script type="text/javascript">
function copyArticle(event) {
    const range = document.createRange();
    range.selectNode(document.getElementById('wxnum'));
    const selection = window.getSelection();
    if(selection.rangeCount > 0) selection.removeAllRanges();
    selection.addRange(range);
    document.execCommand('copy');
    alert("復制成功!");
  }
document.getElementById('copyBtn').addEventListener('click', copyArticle, false);
</script>
</html>

 


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