JSFiddle - React, Tailwind, and code Playground

by InferOn

HTML

<input id='text'>
<button onclick='pip()'>
  click me
</button>
<br/>
<div id='result'>

</div>
<script>
  function pip() {
    var text = document.getElementById('text');
    var result = document.getElementById('result');


    var value = text.value;

    if (value[0] == '2') {
      value = value.substring(1);
    }

    console.log(value.replace(/^0+/, ''));

  }

</script>