Front-End Programming Exam > Front-End Programming Videos > Learn React JS: Fundamentals for Front-End Developers (in Urdu) > React JS In Urdu ~ React Component Lifecycle Events (Part 1 of 6)
React JS In Urdu ~ React Component Lifecycle Events (Part 1 of 6) Video Lecture | Learn React JS: Fundamentals for Front-End Developers (in Urdu) - Front-End Programming
FAQs on React JS In Urdu ~ React Component Lifecycle Events (Part 1 of 6) Video Lecture - Learn React JS: Fundamentals for Front-End Developers (in Urdu) - Front-End Programming
| 1. React JS کیا ہے؟ |  |
Ans. React JS ایک جاوا اسکرپٹ لائبریری ہے جو ویب ایپلیکیشنز کی تشکیل دیتی ہے۔ یہ ایک سری قابل ترمیم کمپوننٹس بنا کر ایک ویبسائٹ بناتا ہے جو لائبریری کی مدد سے بہت تیزی سے ری ایکٹ کرتا ہے۔
| 2. React Component Lifecycle Events کیا ہیں؟ | |
Ans. React کے کمپوننٹس کے زندگی کے مختلف حالات کو React Component Lifecycle Events کہا جاتا ہے۔ یہ واقعات کمپوننٹ کی تشکیل، تازہ کاری، اپ ڈیٹ اور حذف کے دوران وقوع پزیر ہوتے ہیں۔ یہ واقعات مختلف طریقوں سے کمپوننٹ کو کنٹرول کرنے کی اجازت دیتے ہیں۔
| 3. React کے کمپوننٹس کے لائف سائیکل کے کتنے حصے ہوتے ہیں؟ | |
Ans. React کے کمپوننٹس کے لائف سائیکل میں تین حصے ہوتے ہیں: ماؤنٹنگ، اپ ڈیٹنگ اور ان ماؤنٹنگ کی کاونٹ ڈاؤن کرنے والی عملیات۔
| 4. کونسے لائف سائیکل واقعات ماؤنٹنگ حصے میں شامل ہوتے ہیں؟ | |
Ans. کچھ لائف سائیکل واقعات ماؤنٹنگ حصے میں شامل ہوتے ہیں جیسے: constructor، render، componentDidMount وغیرہ۔
| 5. کونسے لائف سائیکل واقعات اپ ڈیٹنگ حصے میں شامل ہوتے ہیں؟ | |
Ans. کچھ لائف سائیکل واقعات اپ ڈیٹنگ حصے میں شامل ہوتے ہیں جیسے: shouldComponentUpdate، componentDidUpdate وغیرہ۔
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