javascript 我可以在 <script> 标签内写一个 <script> 标签吗

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时间:2020-10-28 17:04:58  来源:igfitidea点击:

Can I write a <script> tag inside a <script> tag

javascripthtml

提问by Amar Ilindra

This is my code. I'm trying to stop running an external js file when screen width is less than 1025.

这是我的代码。当屏幕宽度小于 1025 时,我试图停止运行外部 js 文件。

<script type="text/javascript">
var gdsize = 1025;          
if(window.innerWidth>=gdsize) {

    <script>
    window.cookieconsent_options = {"message":"\"Geek Dashboard uses cookies to make sure you get the best experience on our website.\" -","dismiss":"It's OK","learnMore":"More Details Here","link":"http://www.geekdashboard.com/cookies/","theme":"dark-bottom"};
    }
    </script>


</script>

<script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/cookieconsent2/1.0.9/cookieconsent.min.js"></script>

回答by Vikrant

<script type="text/x-jQuery-tmpl">
    var gdsize = 1025;          
    if(window.innerWidth>=gdsize) {

    <script type="text/javascript">
        <!-- Some javascript here -->
        window.cookieconsent_options = {"message":"\"Geek Dashboard uses cookies to make sure you get the best experience on our website.\" -","dismiss":"It's OK","learnMore":"More Details Here","link":"http://www.geekdashboard.com/cookies/","theme":"dark-bottom"};
        }
    {{html "</sc"+"ript>"}}
</script>

You can use {{html "</sc"+"ript>"}}in place of </script>

您可以使用{{html "</sc"+"ript>"}}代替</script>

Explanation [update]:

说明【更新】:

When you use a </script>HTML tag inside a quoted (literal) string, the tag is treated as a closing tag rather than as a portion of the string. So you cannot directly use the </script>tag inside a script section.

当您</script>在带引号的(文字)字符串中使用HTML 标记时,该标记将被视为结束标记而不是字符串的一部分。所以你不能直接</script>在脚本部分中使用标签。

One work-around is to escape the </script>tags and/or split up the <script>tags:

一种解决方法是转义</script>标签和/或拆分<script>标签:

var scriptEnd = "<\scr" + "ipt>";
document.write(scriptEnd);

回答by Shomz

Why would you use a nested script to modify an object property?

为什么要使用嵌套脚本来修改对象属性?

It can be solved in a much simpler way since you're already "in the script":

由于您已经“在脚本中”,因此可以以更简单的方式解决它:

<script type="text/javascript">
  var gdsize = 1025;          
  if(window.innerWidth>=gdsize) {

    window.cookieconsent_options = {"message":"\"Geek Dashboard uses cookies to make sure you get the best experience on our website.\" -","dismiss":"It's OK","learnMore":"More Details Here","link":"http://www.geekdashboard.com/cookies/","theme":"dark-bottom"};

  }    
</script>