如何让人家复制自己网站信息自动加上网址，复制页面加上网址特效

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///复制网站内容自动加上网址
document.body.oncopy = function () {
setTimeout( function () {
var text = clipboardData.getData("text");
if (text) {
text = text + "/r/n  详细出处参考："+location.href; clipboardData.setData("text", text);
}
}, 100 )
}