JSFiddle - React, Tailwind, and code Playground

by velmurugansp

HTML

<input type="text" placeholder="Enter a number" id="num"/>
<input type="text" placeholder="Result" id="result" disabled/>

<button id="click-btn">
Click Me to call the function
</button>

JavaScript

function newFnDa(){
  let inputEle = document.getElementById("num");
  let inputValue = inputEle.value; //null
  console.log(inputValue);
  inputEle.value = 987;
  inputValue = inputEle.value;
  console.log("I'm a new Function");
}

let buttonEle = document.getElementById("click-btn");

buttonEle.addEventListener('click', newFnDa);