Learning Web Development Week 4: JavaScript DOM Manipulation

🚀 3 Months of Learning Web Development — Week 4 Continuing my journey of learning web development from scratch and sharing everything step by step. Here’s my **Week 4 breakdown** 👇 💻 Focus: Advanced JavaScript + DOM Manipulation 🧠 What I learned • Array methods: push, pop, shift, unshift • Loop control: break & continue • Different ways to use loops for problem solving • Working with arrays deeply (slice, splice, join, concat, includes) • Object operations: keys, values, nested objects, delete • Checking arrays using isArray 🌐 DOM Concepts • Selecting elements: * getElementById vs getElementsByClassName * getElementsByTagName * querySelector & querySelectorAll • DOM manipulation: * appendChild * createElement * setAttribute * innerText vs innerHTML • DOM structure understanding: * parentNode & childNodes * NodeList vs HTMLCollection 🛠️ What I did • Solved problems using loops and arrays • Practiced real DOM manipulation (adding, updating elements) • Built small interactive features using JavaScript ⚡ Challenges I faced • Confusion between NodeList and HTMLCollection • Understanding when to use different DOM selectors • Managing nested objects and array methods together 📌 Key lessons • JavaScript becomes powerful when combined with the DOM • Clean logic makes problem solving easier • Small practice builds strong understanding 🎯 Looking ahead Next, I’ll focus on building more interactive projects and strengthening my JavaScript fundamentals even further. Still learning. Still improving. If you're on the same journey, let’s connect 🤝 #JavaScript #DOM #WebDevelopment #LearningInPublic #FrontendDeveloper

  • graphical user interface, website

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