1. Pop-up window in js file:
<script type="text/javascript">
$(document).ready(function () {
alert("Hello \r\n Javascript!");
alert("Hello \n Javascript!");
});
</script>
2. In. The js pop-up window spliced in the background of the cs page
LiteralResult.Text = string.Format("<script>alert('添加成功！\ 您已选择赠送{0}（积分：{1}分）');location.href=http://www.hake.cc/kf/201111/'VIPList.aspx'</script>", strGift, jifen);
Please use "n"
If this is not possible, then " \n"
For example:
<script type="text/javascript">alert("hello \n world!");</script>
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![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
