JSFiddle - React, Tailwind, and code Playground

HTML

<div id="content"> </div>

JavaScript

var text = " How to replace string in jquery or javascript one at a time !!! How to replace string in jquery or javascript one at a time !!! How to replace string in jquery or javascript one at a time !!! ";

var textToReplace = "jquery";
var textReplaceWith = "<span style='background-color:yellow'>JQUERY</span>"
    
var numOfOccur = text.match(/jquery/g).length;
while(numOfOccur-- > 0){
    text = text.replace(textToReplace ,textReplaceWith );
}

$("#content").html(text);
alert(text);