TagPro Disable disableControls Vanilla

(function() {
    'use strict';
    document.addEventListener('keydown', function (event) {
        if (document.getElementById('chat').style.display.indexOf('block') >= 0) {
            tagpro.disableControls = false;
        }
    });

    document.getElementById('chat').addEventListener('keydown', function (event) {
        // if (event.keyCode === 65 || event.keyCode === 68 || event.keyCode === 83 || event.keyCode === 87) // pressed A, D, S, W.
        if (event.keyCode !== 13 && (event.keyCode < 37 || event.which > 40)) {
            event.stopPropagation();
        }
    });
})();