JSFiddle - React, Tailwind, and code Playground

by darxide

HTML

<div id="str" style="display:none">
 input:
<span style="font-family:Arial;font-size: 14px;">
   <span class="author-basic">new op
        <span style="font-size: 30px;">tionlab</span> 
   </span<br>>
       
       </div>
    
    output:
    <div id="result">
    
    </div>

JavaScript

function replaceAll(find, replace, str) {
  return str.replace(new RegExp(find, 'g'), replace);
}

var str = document.getElementById('str').innerHTML
var clean = replaceAll("<br>" ,"" ,str)
document.getElementById("result").innerText = clean