How to add text to input?

Question

JavaScript

How can I add m2 to the input?

Answer 1

Answer 2

Use value to add text to forms.

Answer 3

document.querySelector('input').addEventListener('input', function(){
  let value = this.value;
  if(!value) return;
  value = value.replace(/ м²/g, '');
  this.value = value + ' м²';
}, false);

codepen