Trigger event with parameters

This is pretty annoying. I want to just trigger an event in javascript. I need to pass the event object into the parameters as usual and an additional custom parameter.

In jQuery, this would be super easy:

$('#element').trigger('myevent', 'my_custom_parameter');

But I don't want to use this however. Every other question I have found relating to this has just suggested 'use jQuery!' It's for a plugin I'm developing and to require jQuery for one method is pretty silly. Can anyone point to a way to do the above in vanilla JS that's cross-browser compatible?

You may create custom events http://jsfiddle.net/9eW6M/

HTML

<a href="#" id="button">click me</a>

JS

var button = document.getElementById("button");
button.addEventListener("custom-event", function(e) {
    console.log("custom-event", e.detail);
});
button.addEventListener("click", function(e) {
    var event = new CustomEvent("custom-event", {'detail': {
        custom_info: 10,
        custom_property: 20
    }});
    this.dispatchEvent(event);
});

Output after click on the link:

custom-event Object {custom_info: 10, custom_property: 20} 

More information could be found here.