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Fatiha Zannat
Fatiha Zannat

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May 8, 2021

JavaScript question

What is the difference between var and let? While this seems easy enough, you will not believe how many candidates I had to turn down just because they could not answer this question. The difference is in the level of scope. var is function-scoped, but let (and const) are block-scoped. What is the difference between == and ===? If your answer is “== compares by value…

Java Script

2 min read


May 7, 2021

React.js fundamental

I am trying to tell about React.js fundamental topic. So let’s started.. Many people confused what is React, a library or framework? So at first I want to clear what is it. React is a JavaScript library. Framework is a complete solution. It has everything for a application.so no need…

React

3 min read


May 6, 2021

Try…catch

many times for many reason programmers have some mistakes. No matter how great they are at programming. A script “dies” (immediately stops) in case of an error. But there’s a syntax construct try...catch that allows us to “catch” errors so the script can, instead of dying, do something more reasonable. — The try...catch construct has two main blocks: try, and then catch: try { // code… } catch (err) {

Java Script

2 min read


May 5, 2021

JavaScript is a multi-paradigm, object-oriented and dynamic language.

JavaScript is a multi-paradigm, object-oriented and dynamic language. Its syntax based on the Java and c languages. JavaScript programs manipulate values, and those values all belong to a type. JavaScript’s types are: Number String Boolean Function Object Symbol Number Number is a primitive wrapper object used to represent. The number constructor…

Java Script

3 min read

Fatiha Zannat

Fatiha Zannat

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