JSFiddle - React, Tailwind, and code Playground
HTML
<div id="container">
</div>
JavaScript
var str = "\tHi there how are you?\nI'am fine thanks.";
document.getElementById("container").innerHTML = html(str);
function html(str){
return str.replace(/&/g, "&").replace(/\t/g, "\\t").replace(/\n/g, "\\n").replace(/\r/g, "\\r");
}