js template engine, where does the data come from and how the page does not have the variable isAdmin? you can refer to

< script id= "content" type= "text/html" >

{{if isAdmin}}
    <h1>{{title}}</h1>
    <ul>
        {{each list as value index}}
           <li>:{{index}}:{{value}}</li>
        {{/each}}
    </ul>
{{/if}}

< / script >