Added Type script examples.

Author: jennifert

TypeScript/current_year.ts

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+const year = <HTMLElement>document.getElementById('year'); //get div you want to put year in
+year.innerHTML = new Date().getFullYear().toString(); //make html of div be the current year

TypeScript/form_sumit_post_ajax.ts

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+//function AJAX request
+function AjaxRequest(search: string | null | undefined, uri: string) { //in server api, search can be empty
+    
+    //typical ajax call, used this guide to change from jquery: http://youmightnotneedjquery.com/#request
+    const request = new XMLHttpRequest();
+    request.open('POST', uri, true);  //post request
+    request.onload = function () {
+        if (this.status >= 200 && this.status < 400) { //on success
+            var resp = this.response;
+            console.log(resp);
+        } else { //on fail
+            console.log('Error on the server. Check you have the correct url.');
+        }
+    };
+    request.onerror = function () { //other errors
+        console.log('Not able to connect to server');
+    };
+    request.send(search);
+}
+
+const search_form = <HTMLElement>document.getElementById('search-form'); //get search form by its id
+search_form.addEventListener('submit', function (event) { //when form submitted
+    event.preventDefault();
+    let search: string;
+    search = (document.getElementById("search") as HTMLInputElement).value; //get search text field value
+    AjaxRequest(search, '/api/search/' + search); //send request to API function
+})