Sahadat Hossain

May 10, 2021

Some Basic JavaScript Interview Questions

Truthy and Falsy Values 1. All string is truthy value other than an empty string. 2. All numbers are truthy value other than Zero 3. If we set values NULL, Undefined, false, and NaN then it will be a falsy value. 4. Empty array and object will truthy value. Undefined vs NULL Undefined 1. If we don’t set…

Java Script

2 min read

May 9, 2021

Some Basic concept of React JS

What is React JS? React is an open-source, front-end, JavaScript library for building user interfaces or UI components. It is maintained by Facebook and a community of individual developers and companies. React can be used as a base in the development of single-page or mobile applications. Framework or Library In framework, all decision is created for you…

Reac

2 min read

May 8, 2021

Some Core JavaScript Concepts

In this article, I will summarize some core JavaScript concepts. JavaScript try and catch A try & catch used to handle errors in JavaScript. At first, execute the code that contains in the try. If there no error avoid catch(err) block. An error occurred in the code then execute the catch(err) block and stop…

Java Script

2 min read

May 7, 2021

Essential JavaScript string method you should know

In this article, I will summarize some JavaScript string method you should know. A string can be anything inside double or single quotes.

Java Script

2 min read