button clicked in 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: javascript onclick button

var button = document.querySelector('button');
button.onclick = function() {
  //do stuff
}