JavaScript Hints 💡
Handy tips for learning JavaScript, brought to you by codeguppy.com.
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Learning JavaScript? Here’s a hint 💡
Little hints to help you master JavaScript at codeguppy.com.
New hints drop regularly. Follow along to collect them all.
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JavaScript doesn’t care where a function is called.
Only where it was written.
After Making my last video on Closures, I made this to explain Lexical scope in less than 2 minutes
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Day 4 JavaScript grind: I just built Rock Paper Scissors and it actually works!! 🪨📑✂️🔥
Beat the computer, track scores, pure vanilla JS magic. Momentum is real
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Today’s JS revision topic: Variables
Variables store data so we can use it later.
Think of variables as labeled boxes that hold values.
Master the basics first.
everything else builds on this.
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Ever wondered what the real difference is b/w for...of and for...in in JavaScript?
👉 for...in loops thru keys (property names) of an object or array.
👉 for...of loops thru values of an iterable (like arrays, strings, etc).
for...of = values
for...in = keys
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Cloning in JavaScript isn’t always what you think 👇
= mean copies reference (both change)
📍...spread → shallow copy
📍Object.assign() → shallow copy
📍structuredClone() → deep copy ✅
Choose wisely when working with arrays/objects
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📘 Starting my #LearnJavaScript journey on learnjavascript.online!
✅ Day 1: Learned about Functions and return values.
Advanced DOM Concepts
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Practised removing event listeners and event bubbling
event.stopPropagation() to stop event bubbling
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📌TypeScript Introduction
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