The "Correct" Way to Copy a JavaScript Array (It's Not a Loop)
Still copying arrays with for loops or .concat()? In 2025, that’s outdated.
This video shows you the smartest, cleanest way to copy arrays in JavaScript using the spread operator (...).
If you’ve ever been frustrated by array copying, this one-line trick will change the way you write JavaScript forever.
🔍 What You’ll Learn:
What the spread operator really does
How to copy arrays in one line — the modern way
Why using loops or .concat() is no longer best practice
A clear example that shows how the spread operator simplifies your code
How this method keeps your original array untouched
💡 If you're serious about writing cleaner, modern JavaScript, this is a must-know trick.
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