js实现复制文本
<!DOCTYPE html><html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<div class="div">文本</div>
<div οnclick="copy('.div')">复制</div>
<script>
function copy(className){
// 创建range对象
let range = document.createRange();
// 传入需要选中的节点
range.selectNodeContents(document.querySelector(className));
var selection = document.getSelection();
// 清空选中的区域
selection.removeAllRanges();
// 添加选中区域
selection.addRange(range);
// 执行复制
document.execCommand('Copy');
}
</script>
</body>
</html>
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