add js basics demos: console, arrays, objects, loops
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@@ -208,6 +208,8 @@ Fehler werden hier auch angezeigt
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# Variablen: Daten speichern
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```javascript
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// Modern (empfohlen)
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let age = 25; // Kann geändert werden
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@@ -260,6 +262,8 @@ Template Literals mit Backticks!
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# Arrays: Listen
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```javascript
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const colors = ["red", "green", "blue"];
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@@ -284,6 +288,8 @@ Arrays sind veränderbar auch bei const
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# Objects: Strukturierte Daten
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```javascript
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const person = {
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firstName: "Max",
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@@ -413,6 +419,8 @@ Code-Block in geschweiften Klammern
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# Schleifen: Wiederholen
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```javascript
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// for-Schleife
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for (let i = 0; i < 5; i++) {
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