Letzter Commit: return in Funktion deleteLocalStorageItem(key) geloescht, da die Funktion nichts zurueckgibt.

Es wird ein key/value Paar geloescht.
Zudem die Funktion getLocalStorageItem(key) im Ordner MochaTutorial2 über Terminal mit Mocha getestet.
Dieser Test scheitert, da die Web Storage Funktionen einen Browser brauchen.
Daher funktionieren die Mocha-Tests im Ordner appV1 nur ueber den Browser.

MochaTutorial2/first.js

@@ -1,5 +1,7 @@
+
 module.exports =  {
 
+
     addNumbers(A, B) {
         return A + B;
     },
@@ -10,6 +12,11 @@ module.exports =  {
 
     message() {
         return "hello world";
+    },
+
+
+    getLocalStorageItem(key) {
+        return window.localStorage.getItem(key);
     }
 }
 

MochaTutorial2/notizen.js

@@ -0,0 +1,22 @@
+const btnEinlesen = document.getElementById('Speichern');
+
+
+function setLocalStorage(key, data) {
+	window.localStorage.setItem(key, data);
+}
+
+function speichern() {
+	var key = document.getElementById('key').value;
+	var data = document.getElementById('data').value;
+	setLocalStorage(key, data);
+}
+
+
+btnEinlesen.addEventListener('click',  e => {
+	speichern()});
+
+
+
+
+
+

MochaTutorial2/notizenAusgabe.js

@@ -0,0 +1,71 @@
+const btnSuchen = document.getElementById('search');
+const btnLoeschenKey = document.getElementById('delete_key');
+const btnAllesLoeschen = document.getElementById('delete_all');
+
+
+auslesen();
+
+function getLocalStorageKey(index) {
+    return window.localStorage.key(index);
+}
+
+function getLocalStorageItem(key) {
+    return window.localStorage.getItem(key);
+}
+
+function deleteLocalStorageItem(key) {
+    return window.localStorage.removeItem(key);
+}
+
+function getLocalStorageLength() {
+    return window.localStorage.length;
+}
+
+function auslesen() {
+
+    var count = getLocalStorageLength();
+    var displayData = document.getElementById('data');
+    displayData.innerHTML = "";
+    if (typeof(Storage) !== "undefined") {
+        for (let i=0; i<count; i++) {
+            var keyname = getLocalStorageKey(i);
+            var data = getLocalStorageItem(keyname);
+            displayData.innerHTML += "<dt>" + keyname+"</dt>" + "<dd>" + data + "</dd>";
+        }
+    } else {
+        displayData.innerHTML = "Entschuldigung, Ihr Browser unterstützt nicht Web Storage...";
+    }
+}
+
+function finden() {
+
+    var keyname = document.getElementById('inputKey').value;
+    var givenKey = document.getElementById('givenKey');
+    var notice = document.getElementById('notice');
+    givenKey.innerHTML = "";
+    notice.innerHTML = "";
+    var data = getLocalStorageItem(keyname);
+    givenKey.innerHTML = keyname;
+    notice.innerHTML = data; 
+    
+}
+
+
+function loeschen() {
+    var key = document.getElementById('key').value;
+	deleteLocalStorageItem(key);
+}
+
+function allesLoeschen() {
+	window.localStorage.clear();
+}
+
+btnSuchen.addEventListener('click',  e => {
+    finden()});
+
+btnLoeschenKey.addEventListener('click',  e => {
+    loeschen()});
+
+btnAllesLoeschen.addEventListener('click',  e => {
+    allesLoeschen()});
+

MochaTutorial2/test/firstTest.js

@@ -16,3 +16,21 @@ describe('first.js', function () {
     });
 });
 
+describe('getLocalStorageItem', function () {
+    it('should return item', function () {
+      window.localStorage.setItem("e", "f");
+      assert.equal("f", first.getLocalStorageItem("e"));
+      window.localStorage.removeItem("e");
+    });
+    it('should return item as string value', function () {
+      window.localStorage.setItem("g", "h");
+      assert.typeOf(first.getLocalStorageItem("g"), 'string');
+      window.localStorage.removeItem("g");
+    });
+    it('should return item as string value', function () {
+      window.localStorage.setItem("myKey2", "myValue2");
+      assert.isString(first.getLocalStorageItem("myKey2"), 'Item is string');
+      window.localStorage.removeItem("myKey2");
+    });
+  });
+

appV1/scripts/notizenAusgabe.js

@@ -14,7 +14,7 @@ function getLocalStorageItem(key) {
 }
 
 function deleteLocalStorageItem(key) {
-    return window.localStorage.removeItem(key);
+    window.localStorage.removeItem(key);
 }
 
 function getLocalStorageLength() {