Quick Launch and Top Navigation link programmatically – SharePoint Add-In

'use strict';
var context;
var web;
context = SP.ClientContext.get_current();
var hostweburl;
var appweburl;
var appContextSite;
// This code runs when the DOM is ready and creates a context object which is needed to use the SharePoint object model
$(document).ready(function () {
getUrl();
});
// This function get the URL informations
function getUrl() {
hostweburl = getQueryStringParameter("SPHostUrl");
appweburl = getQueryStringParameter("SPAppWebUrl");
hostweburl = decodeURIComponent(hostweburl);
appweburl = decodeURIComponent(appweburl).toString().replace("#", "");
var scriptbase = hostweburl + "/_layouts/15/";
$.getScript(scriptbase + "SP.RequestExecutor.js", execOperation);
}
// This function get list data from SharePoint
function execOperation() {
var factory = new SP.ProxyWebRequestExecutorFactory(appweburl);
context.set_webRequestExecutorFactory(factory);
appContextSite = new SP.AppContextSite(context, hostweburl);
web = appContextSite.get_web();
context.load(web);
context.executeQueryAsync(onGetWebSuccess, onFail);
}
// This function is executed if the above call is successful
function onGetWebSuccess() {
console.log('Hello ' + web.get_title());
}
// This function is executed if the above call fails
function onFail(sender, args) {
console.log('Failed. Error:' + args.get_message());
}
//for adding new link to Quick Launch
function AddQuickLaunchLink() {
var ql = web.get_navigation().get_quickLaunch();
var nnci = new SP.NavigationNodeCreationInformation();
nnci.set_title('My Custom Link');
nnci.set_url('/_layouts/settings.aspx');
nnci.set_asLastNode(true);
ql.add(nnci);
context.load(ql);
context.executeQueryAsync(
function () {
$('#lblmessage').append("QuickLaunch link added successfully...");
}, onFail);
}
//adding new link to Top Navigation
function AddTopNavicationLink() {
var TopNav = web.get_navigation().get_topNavigationBar();
var nnci = new SP.NavigationNodeCreationInformation();
nnci.set_title('My Custom Link');
nnci.set_url('/_layouts/settings.aspx');
nnci.set_asLastNode(true);
TopNav.add(nnci);
context.load(TopNav);
context.executeQueryAsync(
function () {
$('#lblmessage').append("Top Navigation link added successfully...");
console.log("TopNav Added");
}, onFail);
}
//Removing new link to Quick Launch
function RemoreQuickLaunchLink() {
var ql = web.get_navigation().get_quickLaunch();
context.load(ql);
context.executeQueryAsync(
function () {
var e = ql.getEnumerator();
var notFound = true;
while (notFound && e.moveNext()) {
var node = e.get_current();
if (node.get_title() === "My Custom Link") {
node.deleteObject();
notFound = false;
}
}
context.executeQueryAsync(
function () {
$('#lblmessage').append("QuickLaunch link removed successfully...");
console.log("QuickLaunch link removed");
},
onFail);
},
onFail);
}
//removing new link to Top Navigation
function RemoveTopNavicationLink() {
var tn = web.get_navigation().get_topNavigationBar();
context.load(tn);
context.executeQueryAsync(
function () {
var e = tn.getEnumerator();
var notFound = true;
while (notFound && e.moveNext()) {
var node = e.get_current();
if (node.get_title() === "My Custom Link") {
node.deleteObject();
notFound = false;
}
}
context.executeQueryAsync(
function () {
$('#lblmessage').append("Top Navigation link removed successfully...");
console.log("TopNav link removed");
},
onFail);
},
onFail);
}
//This function split the url and trim the App and Host web URLs
function getQueryStringParameter(paramToRetrieve) {
var params =
document.URL.split("?")[1].split("&");
for (var i = 0; i < params.length; i = i + 1) {
var singleParam = params[i].split("=");
if (singleParam[0] == paramToRetrieve)
return singleParam[1];
}
}

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