Скачать или смотреть JavaScript forEach() in Action 2025 🔥 | Real-World Examples & Polyfill Prep (Udemy Grandmaster)

💥 Tired of Clunky For Loops? forEach() Transforms Array Iteration in Modern JavaScript! 💥

In this Udemy JavaScript Grandmaster 2025 video, watch forEach() shine in real-world scenarios – from processing e-commerce carts to analyzing user data. Master cleaner, more efficient code while prepping to polyfill this method for legacy browsers in the next tutorial!

✅ What You’ll Build:

E-Commerce Demo: Calculate cart totals and apply discounts with forEach().

User Analytics: Filter and log active users from an array.

DOM Manipulation: Update multiple UI elements dynamically.

Pro Tip: Why forEach() is a stepping stone to polyfills and advanced frameworks!

📌 Timestamps:
0:00 – The Loop Revolution (Demo: For vs forEach() Showdown!)
1:30 – Syntax Refresher: array.forEach((item, index) = { ... })
4:00 – Example 1: E-Commerce Cart Processing (Totals + Discounts)
7:15 – Example 2: User Data Analysis (Filter & Log Active Users)
10:20 – Example 3: Dynamic UI Updates (Render Lists, Buttons, etc.)
13:30 – Next Video Teaser: Polyfilling forEach() for IE11!

💡 Perfect For:

Developers upgrading legacy code to modern standards.

Coders building data-driven apps (e-commerce, analytics, dashboards).

Udemy Grandmaster 2025 students prepping for polyfill mastery!

🔗 Up Next: “Polyfill forEach() for Legacy Browsers”
👉 Full Playlist: Udemy JavaScript Grandmaster 2025

💬 Comment Below: “What’s your favorite use for forEach()?” Let’s share ideas! 💡