Added files for 1. ZH

script.js

@@ -0,0 +1,82 @@
+let json = {
+  "companies": [
+    {
+      "name": "TechCorp",
+      "location": "Budapest",
+      "employees": [
+        {
+          "id": 1,
+          "name": "Alice",
+          "email": "alice@email.com"
+        },
+        {
+          "id": 2,
+          "name": "Bob",
+          "email": "bob@email.com"
+        }
+      ]
+    },
+    {
+      "name": "DesignHub",
+      "location": "Vienna",
+      "employees": [
+        {
+          "id": 1,
+          "name": "Alice",
+          "email": "alice@email.com"
+        },
+        {
+          "id": 3,
+          "name": "Emma",
+          "email": "emma@email.com"
+        }
+      ]
+    }
+  ]
+}
+
+LoadEmployees(json);
+
+function LoadEmployees(data) {
+    let parent = document.getElementById("employees");
+    employees.innerHTML = '';
+    data.companies.forEach(company => {
+        let companydiv = document.createElement("div");
+        let description = document.createElement("h2");
+        description.innerHTML = company.name + "Employees:";
+        companydiv.appendChild(description);
+        company.employees.forEach(person => {
+            let employeediv = document.createElement("div");
+            let employeedesc = document.createElement("p");
+            employeedesc.innerHTML = person.name + ' (' + person.email + ')';
+            employeediv.appendChild(employeedesc);
+            companydiv.appendChild(employeediv);
+        });
+        parent.appendChild(companydiv);
+    });
+}
+
+function SaveEmployee() {
+    let name = document.getElementById('nev').value;
+    let email = document.getElementById('email').value;
+    json.companies[1].employees.push({id: 43, name: name, email: email});
+    LoadEmployees(json);
+}
+
+document.getElementById('submit').addEventListener("click", SaveEmployee);
+
+console.log(json.companies.filter(x => x.employees.length > 1).length);
+
+console.log(json.companies.filter(x => x.name.startsWith('T')).map(x => x.name));
+
+
+
+console.log(json.companies.reduce((sum, company) => sum + company.employees.length, 0) / json.companies.length);
+
+
+function Sotetites() {
+    let hatter = document.querySelector("body");
+    hatter.classList.toggle("sotet");
+}
+
+document.getElementById('sotet').addEventListener("click", Sotetites);