what's the equivalent of jquery's 'trigger' method without jquery?

Question

what\'s the equivalent of jQuery\'s trigger method without jQuery?

e.g., how do i do something like $(\'.blah\').trigger(\'click

Answer 1

in Javascript

var event = document.createEvent("Event");
event.initEvent("click", false, true); 
document.getElementById("blah").dispatchEvent(event);

is equivalent for jQuery trigger as below

$('#blah').trigger('click');