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Try a simple interaction. Make one change, see it happen, and build from there.
Your first win can start hereimport { useState }
from 'react';
function Counter() {
const [count, setCount] =
useState(0);
return <button
onClick={() =>
setCount(n => n + 1)}
>Clicks: {count}</button>;
}
One click, one state change.
Try it. Then build your own.
Explore the technologies each question supports.
Turn an idea into a small win
UI coding
JavaScript & TypeScript
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Review concepts with interview answers and MCQs. Explore frontend system design through visual explanations of architecture, APIs, and trade-offs.
Your next small win is waiting.
A little code.
A little more confidence.