js focus event

1focusMethod = function getFocus() {          
2  document.getElementById("myButton").focus();
3}

1const form = document.getElementById('form');
2
3form.addEventListener('focus', (event) => {
4  event.target.style.background = 'pink';    
5}, true);
6
7form.addEventListener('blur', (event) => {
8  event.target.style.background = '';    
9}, true);