What is the difference between Double equal(==) and Triple (===)?
Double equal and triple equal mainly same thing. But they have a big difference. Double equal check just value. Double equal find out many types of value. But triple equal is very strict. Triple equal check value and exact type.
What is the difference between Null and undefined?
Undefined is a…
React tree reconcilation
Before the coming of react, when we needed browser api, who is known as DOM API. Any operation of DOM give same output. That’s why developer sometime going to be bored. But that’t the point, react come and solve this boring issuse. React give developer like a virtual dom. React work like a agency who connect us with DOM very easily.
How to do work…
primitive values is are kind of number, string and kind of other thinks. Primitive is console.log()
Object and function are not primitive value. They have some power, which make them very unique.
Comment is very…
Number is primitive wrapped object used to represent and manipulate like 55 or -26. Values of other types can be converted number using the number() function.