I have shared the best 62 interview questions and answers based on my working experience. After learning it you will definitely get a job in a top-level IT company. Each question is most important for freshers as well as experienced developers who want to attend a technical interview.
Here I have given the only top-level javascript interview Question with answers. If you want to get answers then you will have to open the following URL
Most Important JavaScript Interview Question
This is the top collection of most important javascript interview questions with answers. It will be very helpful for freshers as well as experienced
- What is javascript
- Why we use javascript
- how many ways to link javascript to HTML
- What is inline javascript
- What is internal javascript
- What is external javascript
- What is the difference between undefined & Null
- What is difference between indexof() and search()
- What is var keyword
- What is let keyword
- What is const keyword
- What is an arrow function
- What is an anonymous function
- what is factory function
- how to add new html element dynamically
- What is difference between == & ===
- How to submit the form in javascript
- How to change className and style property
- What is the use of void(0) method
- What are different types of error in javascript
- What is strict mode and How to enable it
- What is a for-in Loop
- What is the forEach()
- What is the difference between call() and apply()
- Is the javascript variable case sensitive
- What is the difference between toString and join()
- What is DOM
- What is NaN and isNaN
- What is noscript tag
- What is the Closure function
- What is an immediately invoked function
- How to create a cookie in javascript
Basic JavaScript Interview Questions for Freshers
This is basic javascript interview Questions. It is very useful for freshers.An experienced developer aslo should know these questions
- Define common methods for javascript output
- What are the rules for declaring javascript variable
- How to check the datatype of the javascript variable
- What is the difference between break & continue
- What are the differences between pop() & push()
- What are the differences between shift() & unshift()
- How to find the string length
- What are the differences between() splice & slice()
- What is concat() method
- What are the ways for javascript comment
- What is an event
Advanced JavaScript Interview Questions for Experienced
- What can we do in javascript
- How to create an object and access it’s properties
- What are the methods to extract a part of a string
- What is the difference between array & object
- What is the scope of variables in javascript
- What is Hoisting in javascript
- What is function expression
- Define common methods to access an HTML element
