Remove gfycat controls

uncontrol.js

document.addEventListener('DOMContentLoaded', function(){
    var gfyVid = document.getElementsByClassName('gfyVid')[0];
    gfyVid.setAttribute('width','600px');
    gfyVid.setAttribute('height','337px');
    gfyContainer = gfyVid.parentNode;
    var controls = gfyContainer.childNodes;
    for(var control in controls) {
        if(controls[control] instanceof HTMLElement) {
            if(!controls[control].classList.contains("gfyVid")) {
                gfyContainer.removeChild(controls[control]);
            }
        }
    }
});