1. How to convert inch to feet

2. What is different between const and let variable type?

3. How to check LeapYear?



Data types

  1. Undefine
  2. Null
  3. Boolean
  4. Number
  5. Strings
  6. Symbols
  7. BigInts

Coding Style

the right way to the right coding

Try Catch:


Number('abc');
output: NaN

NaN = Not a Number



Nimur Hasan

I’m Md Nimur Hasan, a MERN Stack Developer. I know MongoDB, express, react, node js, and continue deep learning on these.

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