how to define a click with javascript code example

Example 1: click button javascript

// Create variable for what you are trying to click
let button = document.querySelector("#IDofItem");

// Click the button

if (button) {
  button.click();
}
else {
  console.log("Error");
}

Example 2: how to create click function in javascript

var x = document.getElementById('container');
//click can also be antother event
x.addEventListener('click', function (x) {
  console.log('hi');
});