Hide Export to Excel Button from List Ribbon Using JavaScript in SharePoint 2013

var nIntervId;

// DOM is ready
(function () {
    var e = ExecuteOrDelayUntilScriptLoaded(
            CallHide,
            "sp.js");
})();

//Call this function on click of 'LIST' until Export to Excel link is hidden
function CallHide() {
    document.addEventListener('click', function (evt) {
        if (evt.target.textContent == "List") {
            nIntervId = setInterval(HideExportLink, 50);
        }
    });
}

//Hide 'Export to Excel' Span if it is rendered in the Ribbon Menu
function HideExportLink() {
    //Get Span which contains the Export Link
    var exportSpan = document.getElementById('Ribbon.List.Actions-LargeMedium-0-0');
    if (exportSpan != null) {
        // set the display to none
        exportSpan.style.display = 'none';
        //Since link is hidden, Stop CallHide()
        StopCallHide();
    }
}

//Clear Interval
function StopCallHide() {
    clearInterval(nIntervId);
}