React.createElement Explained — Nested Elements Without JSX | React Tutorial

Published: 18 April 2026
on channel: React Sensei
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🚀 Most React developers write JSX every day —
but do you know what's actually happening
under the hood?

In this video you will learn exactly HOW and WHY
React.createElement() works — no JSX needed!

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⏱️ CHAPTERS:
0:00 - Introduction
0:33 - Creating Elements Without JSX
1:20 - Managing Children in createElement
1:50 - Nesting Elements Inside Each Other
3:45 - Multiple Children — Arrays vs Arguments
4:30 - Props vs Special Properties (key & ref)
6:30 - React 18 — createRoot vs ReactDOM.render
8:39 - Wrap Up

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📌 WHAT YOU WILL LEARN:
✅ React.createElement(type, props, children)
— the foundation of every React element
✅ How to nest elements without writing JSX
✅ Managing single and multiple children
✅ The difference between props and
special properties like key and ref
✅ Why React 18 replaced ReactDOM.render
with createRoot
✅ How createRoot unlocks concurrent features
like useTransition and useDeferredValue

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💡 WHY WATCH THIS?
Most developers skip this fundamental concept.
But the ones who understand it —
debug faster, think clearer and write
more confident React code.

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🔔 New video every week.
Subscribe so you never miss a concept. ⚔️

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#ReactWithoutJSX #createElement #createRoot
#ReactDOM #ReactTutorial #LearnReact
#WebDevelopment #Frontend #ReactHooks
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#100DaysOfCode #CodeNewbie


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