gistfile1.js

function buildButtons(buttons, fnResponse){
    for (i = 0; i < buttons.length; i++){
        initButton(buttons[i]);
    }
}

function initButton(button) {
  var btnTitle = button.split("|")[0];
    var btnName = button.split("|")[1].toString();
    var btnElem = $('<button/>', {
		type: 'button',
		id: 'btn_' + btnName,
		html: btnTitle,
	})

	$(btnElem).on('click', function () {
		//..some other code
		fnResponse(btnName); //<<------- Issue Should return 'ok' or 'cancel'
	});
}