JSFiddle - React, Tailwind, and code Playground

by Salvatore Rotondo

HTML

<div id="preview"></div>
<textarea id="text"></textarea>

JavaScript

var preview = document.getElementById('preview');
var textarea = document.getElementById('text');

textarea.onkeyup = function() {  
    preview.innerHTML = textToHtml(this.value);
};

function textToHtml(str) {
    str = str.replace(/creaImmagine"([^"]+)"/gi, '<img src="$1">'); 
    return str;
}