JSFiddle - React, Tailwind, and code Playground

by brigand

HTML

<form action="" id="myform">
  <input type="text" id="urlinput" value="javascript:alert(123)">
  <button type="submit">Submit</button>
</form>

<div id="out"></div>

JavaScript

myform.onsubmit = (e) => {
  e.preventDefault()
  const a = document.createElement('a')
  a.href = urlinput.value;
  a.textContent = urlinput.value
  out.appendChild(a)
}