AddEventListener ‘click’ in JavaScript

const myHeading = document.getElementById('myHeading');
 const myButton = document.getElementById('myButton');
 myButton.addEventListener('click', () => {
     myHeading.style.backgroundColor = 'purple';
     myHeading.style.color = 'white';
 });

Add color with input field

const myHeading = document.getElementById('myHeading');
 const myButton = document.getElementById('myButton');
 const myTextInput = document.getElementById('myTextInput');
 myButton.addEventListener('click', () => {
   myHeading.style.color = myTextInput.value;
 });