Interview question

  • Null assigned a value but it is an empty or non-existent value.
  • Undefined means a variable that declared but didn’t assign any value.

All about React

  • React js is not a framework it is library.
  • Another framework like Angular or Vue React is not a framework, the framework comes with lots of built-in rules and regulations you cannot go beyond them but using react for the front end you have lots of control of your application.

Javascript fundamental

  • Hoisting is a JavaScript mechanism where variables and function declarations are moved to the top of their scope before code execution.
  • It doesn’t matter where the variable or function declared it always moved to the top of their scope either their scope is global or variable.
  • The fact that the…

  1. What is String.split() and how does it work?
  • String.split() method separates an original string into an array of substrings based on the “separator” that we passed as input.
  • The original string remains unchanged after using the split method.
  • Syntax of String.split()
  • separator — a string indicating where each split should…

  1. What is String.split() and how does it work?
  • String.split() method separates an original string into an array of substrings based on the “separator” that we passed as input.
  • The original string remains unchanged after using the split method.
  • Syntax of String.split()
  • separator — a string indicating where each split should…

Mehedi Hasan

I am a JavaScript Learner, MERN Stack Developer . I love to learn new technology and explore them. I’m a simply simple person with lots of interests.

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