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ليه React بتستخدم Keys في الـ Lists؟ 🤔
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عمرك سألت نفسك ليه React دايمًا بتطلب منك تضيف Key لكل عنصر في List؟
وليه لازم نهتم به وإيه اللي ممكن يحصل لو ما ضفنا الـ key؟

السؤال ده منتشر بشكل كبير في أي مقابلة عمل تخص ريأكت، والسؤال بسيط لكن هو في الحقيقة موضوع مهم جدًا وبيفرق في الأداء بشكل كبير...

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Create: 2025-05-12
Last Update: 2025-06-19 13:32:50

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Importantly, that investor viewpoint is not new. It cycles in when conditions are right (and vice versa). It also brings the ineffective warnings of an overpriced market with it.Looking toward a good 2022 stock market, there is no apparent reason to expect these issues to change.

Tata Power whose core business is to generate, transmit and distribute electricity has made no money to investors in the last one decade. That is a big blunder considering it is one of the largest power generation companies in the country. One of the reasons is the company's huge debt levels which stood at ₹43,559 crore at the end of March 2021 compared to the company’s market capitalisation of ₹44,447 crore.