diff --git a/24_09_23/24_09_23 - Frontend.pptx b/24_09_23/24_09_23 - Frontend.pptx
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diff --git a/24_09_23/index.html b/24_09_23/index.html
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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+</head>
+<body>
+    <p class="azonosito">1</p>
+    <p class="azonosito">2</p>
+    <p name="nev">asd</p>
+    <p name="nev">asd</p>
+    <p id="asd"></p>
+    
+    <script>
+        let elem = document.querySelectorAll("[name='nev']");
+        console.log(elem);
+        let elem2 = document.querySelector("#asd");
+        elem2.textContent = "textcontent<br>";
+        console.log(elem2);
+        let elem3 = document.querySelectorAll(".azonosito");
+        elem3[1].innerHTML = "asd";
+        console.log(elem3);
+        elem3[0].style.backgroundColor = "yellow";
+
+        elem2.setAttribute("title", "cim");
+        console.log(elem2.getAttribute("title"));
+        elem2.removeAttribute("title");
+        console.log(elem2.getAttribute("title"));
+        
+        let ujelem = document.createElement("div");
+        ujelem.innerHTML = "Új elem tartalma";
+        //document.body.appendChild(ujelem);
+
+        let nagyszulo = document.getElementById("asd");
+        let szulo = document.createElement("div");
+        szulo.innerHTML = "Szülő";
+        nagyszulo.appendChild(szulo);
+
+        szulo.appendChild(ujelem);
+        
+        nagyszulo.removeChild(szulo);
+    </script>
+</body>
+</html>
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diff --git a/24_09_23/script.js b/24_09_23/script.js
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+let fodiv = document.getElementById("uzenetek");
+
+let elem = document.createElement("div");
+fodiv.appendChild(elem);
+elem.className = "uzenet";
+elem.innerHTML = "Ez az első üzenet tartalma!";
+//console.log(elem.className);
+
+let masodikUzenet = document.createElement("div");
+masodikUzenet.className = "uzenet";
+masodikUzenet.id = "masodikUzenet";
+masodikUzenet.innerHTML = "<b>Ez a második üzenet tartalma!</b>";
+fodiv.appendChild(masodikUzenet);
+
+
+let harmadikUzenet = document.createElement("div");
+harmadikUzenet.className = masodikUzenet.className;
+harmadikUzenet.id = "harmadikUzenet";
+harmadikUzenet.innerHTML = "<p>Ez a harmadik üzenet tartalma!</p>";
+fodiv.appendChild(harmadikUzenet);
+
diff --git a/24_09_23/uzenetkezelo.html b/24_09_23/uzenetkezelo.html
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+++ b/24_09_23/uzenetkezelo.html
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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+</head>
+<body>
+    <h1>Üzenetkezelő</h1>
+    <div id="uzenetek"></div>
+    
+    <script src="script.js"></script>
+</body>
+</html>
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