WYSIWYG editor
HTML
<h1>
Very Simple WYSIWYG editor!
</h1>
<textarea id='editor'></textarea>
<div id="display"></div>
CSS
#editor {
width : 100%;
height : 200px;
}
#display {
background : pink;
height : 200px;
width : 100%;
overflow-y: auto;
}
JavaScript
let editor = document.getElementById('editor');
let display = document.getElementById('display');
editor.addEventListener('input', function () {
display.innerHTML = event.target.value
});