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  • JavaScript Documentation48টি অধ্যায়
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  • Introduction
  • JavaScript কী?
  • Syntax & Comments
  • Variables
  • Data Types: Basics
  • Data Types: Conversion
  • Data Types: Advanced
  • Strings
  • Numbers & Math
  • Date & Time
  • Operators
  • Conditions
  • Loops
  • Functions: Basics
  • Functions: Intermediate
  • Functions: Advanced
  • Scope & Hoisting
  • Closures & this
  • ES6+ Modern
  • Arrays: Basics
  • Arrays: Intermediate
  • Arrays: Advanced
  • Objects: Basics
  • Objects: Intermediate
  • Objects: Advanced
  • Class: Basics
  • Class: Intermediate
  • Class: Advanced
  • DOM: Basics
  • DOM: Intermediate
  • DOM: Advanced
  • Events: Basics
  • Events: Intermediate
  • Events: Advanced
  • Async JavaScript
  • Promise
  • Async / Await
  • Fetch API
  • JSON
  • Modules
  • Browser Storage
  • Event Loop Deep
  • Prototype Chain
  • Iterators & Generators
  • WeakMap, WeakSet, Proxy
  • Error Handling
  • Practice Problems
  • Mini Projects
  • Basics
  • Functions & Scope
  • Types & Syntax
  • Arrays & Objects
  • Advanced
  • Functional Programming
  • Objects & Symbols
  • Async Deep Dive
  • Modern JavaScript
  1. Docs
  3. JavaScript
  5. প্রশ্ন/উত্তর
  7. Objects & Symbols
JavaScriptObjects & Symbols

JavaScript Objects & Symbols — প্রশ্ন/উত্তর

Object নিয়ন্ত্রণ করা, getter-setter, prototype সম্পর্ক আর Symbol key — object নিয়ে গভীরে।

  1. Q34. What is the difference between Object.freeze(), Object.seal(), and Object.preventExtensions()?
  2. Q35. What are getters and setters in JavaScript?
  3. Q36. What is the difference between Object.create() and the new keyword?
  4. Q37. What is the difference between own properties and inherited properties?
  5. Q38. What are Symbols in JavaScript and when should you use them?
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