在Google中搜索符号非常困难,所以我在此问这里.

<！ - 看起来像是对我的评论,但它不像html那样工作.或者它就像//一行注释？ 使用它的目的和好处是什么？谢谢 示例代码：

<script type="text/javascript">
<!--
    alert("example");
//-->
</script>

最佳答案:

这是一种从浏览器中隐藏JavaScript的旧方法,它将脚本元素的文本节点视为普通文本(并显示您的代码).

Douglas Crockford recommends你不再使用它了.

Do not use the <!-- //--> hack with scripts. It was intended to prevent scripts from showing up as text on the first generation browsers Netscape 1 and Mosaic. It has not been necessary for many years. <!-- //--> is supposed to signal an HTML comment. Comments should be ignored, not compiled and executed. Also, HTML comments are not to include --, so a script that decrements has an HTML error.