js 复制文本到剪贴板

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>点击复制到剪贴板</title>

</head>

<body>

    <div id="app">

        <p>博客园是最棒的!</p>

        <button id="copy">点击复制</button>

    </div>

    <script>

        var btn = document.getElementById('copy');

        var val = document.getElementsByTagName('p')[0].innerText;

        btn.onclick = function(){

            var tempInput  = document.createElement('input');

            tempInput.value = val;

            document.body.appendChild(tempInput );

            tempInput.select(); // 选择对象

            document.execCommand("Copy"); // 执行浏览器复制命令

            tempInput.className = 'tempInput ';

            tempInput.style.display='none';

            document.body.removeChild(tempInput );//移除

        }

    </script>

</body>

</html>
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js 复制文本到剪贴板

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