js check for mouse event code example

Example 1: javascript detect right click

el.addEventListener('contextmenu', function(ev) {
    ev.preventDefault();
    alert('success!');
    return false;
}, false);

Example 2: javascript mouse events

element.addEventListener("mousemove", function(event) {
  console.log(event);
}); //Calls function every time the mouse moves over 'element'