index.html
<!DOCTYPE html>
<html>
<head>
<title>document 节点 - 复制内容</title>
</head>
<body>
<div id="target">
<input id='content' type="text" name="content" value='这是要复制的内容~~'>
<input type="button" value="Copy" οnclick="doCopy()">
</div>
<script type="text/javascript">
function copyText(dom) {
var text = dom.value;
dom.focus();
dom.select();
// 当前是否有选中文字
if (document.queryCommandEnabled('copy')) {
var success = document.execCommand('copy');
console.log('Copy Ok');
} else {
console.log('queryCommandEnabled is false');
}
}
function doCopy(){
//浏览器是否支持 copy 命令（选中内容复制到剪贴板）
if (document.queryCommandSupported('copy')) {
var targetDom = document.getElementById('content');
copyText(targetDom);
}else{
console.log('浏览器不支持');
}
}
</script>
</body>
</html>
...
