<html>
<head>
<script type="text/javascript">
function copyText() {
var text = document.getElementById("text").innerText;
var input = document.getElementById("input");
input.value = text; // 修改文本框的内容 input.select(); // 选中文本 document.execCommand("copy"); // 执行浏览器复制命令 alert("复制成功"); }
</script>
<style type="text/css">
.wrapper {
position: relative;
}
#input {
position: absolute;
top: 0;
left: 0;
opacity: 0;
z-index: -10;
}</style>
</head>
<body>
<div class="wrapper">
<p id="text">我把你当兄弟你却想着复制我？</p>
<textarea id="input">这是幕后黑手</textarea>
<button onclick="copyText()">copy</button>
</div>
</body>
</html>