How to Hire a Good JavaScript Developer.
Tags: javascript, webdev, codenewbie, career
Published: 2021-06-01 06:05:00


## How to Hire a Good JavaScript Developer...

As with any technology, there’s knowing JavaScript and then there’s really knowing JavaScript. 

Let me share a couple of proven & effective techniques and questions for finding true masters of the language. 

### Note: 
**These sample questions are intended merely as a guide.**

### Alert 

Not every candidate worth hiring will be able to properly answer them all, nor does answering them all guarantee a candidate. 

At the end of the day, hiring remains as much of an art as it does a science.


> 
JavaScript is in the world of tech today has become fundamental.

Hiring a well-qualified and talented JavaScript developer can be a problem.

During the interview, it’s important to test the knowledge of a candidate.

JS developer skill set that every specialist should have.

- Problem-solving. 
- Creativity. 
- Work in a team. 
- Follow trends.

### Q1: Describe inheritance and the prototype chain in JavaScript. 

Here’s a simple example:


![carbon(57).png](https://cdn.hashnode.com/res/hashnode/image/upload/v1622526742486/DrGqdzmBp.png)


### Q2: Consider the code snippet below (source). 

What will the alert display? 

Explain your answer.


![carbon(58).png](https://cdn.hashnode.com/res/hashnode/image/upload/v1622526773464/ydyXrXojx.png)


### Q3: Explain closures in JavaScript. 

- What are they? 
- What are some of their unique features? 
- How and why might you want to use them? 
- Provide an example.


### Q4: Is there ever any practical difference between defining a function as a function expression 

e.g..,  var foo = function(){}

OR

As a function statement 

e.g., function foo(){}

**Explain your answer.**


### Q5: How can JavaScript be used to improve accessibility on the web?


### Q6: What does 'use strict' mean at the top of a block of code?


### Q7: What does the term 'hoisting' mean in reference to JavaScript?


### Q8: What is the difference between == and ===? 

Between != and !==? 

**Give an example?**

In the end,


> 
Good soft skills are also important because they allow candidates to be effective in the workplace. 

- Conflict management
- Creativity
- Decision making
- Teamwork
- Response to specific actions

If you’re a beginner at JavaScript and want to learn JavaScript e2e concepts, here’s a great course by Robin aka  [WellPaidGeek](https://twitter.com/WellPaidGeek) who is coding for 20+ years.

I highly recommend buying this course.

Here is the  [link ](https://wellpaidgeek.teachable.com/p/beginners-javascript/?affcode=391490_mb0iiogk) if someone is interested. 

Thanks for reading guys...

I'm writing threads to help you to become a better software engineer (developer)...

"Don't miss out" Follow your mentor  [TheAnkurTyagi](https://twitter.com/TheAnkurTyagi) 

I shared top questions last year in this blog  [link ](https://codelifefitness.hashnode.dev/12-common-javascript-questions-i-used-to-ask-in-interview) as well. 

If you would like to discuss more in detail with me 1-1, you can hire me on HireTheAuthor.

 [Book 1-1 Call or Chat Subscription ](https://www.hiretheauthor.com/theankurtyagi) 


![HTA.JPG](https://cdn.hashnode.com/res/hashnode/image/upload/v1622527183280/j2eQxqkwS.jpeg)