DOm purify

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/dompurify/0.8.2/purify.min.js"></script>
  <p id="sanitized"></p>

JavaScript

'use strict'; 
 
 var globalList = [];
             // Specify dirty HTML 
             var dirty = "<!-- I am ready now, click one of the buttons! -->ac <script>in script<\/script> <b>hello</b>";
       console.log("dirty => ",dirty);
       dirty = dirty.replace(/(<!--)/g,'<comment>').replace(/(-->)/g,'</comment>');      
       console.log("dirty after custom tag => ",dirty);
             // Clean HTML string and write into our DIV 
        var config = { ALLOWED_TAGS: ['b'],ADD_TAGS: ['comment']};

// Clean HTML string and write into our DIV
var clean = DOMPurify.sanitize(dirty, config);
console.log("clean before remove custom tag => ",clean);
clean = clean.replace(/(<comment>)/g,'<!--').replace(/(<\/comment>)/g,'-->');
console.log("clean => ",clean);