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The ultimate guide to web development interviews. Developed by FAANG engineers, practice with real-world interview questions covering network security, system design, SEO, APIs, and more.

oct6.tar.gz

server

JavaScript

Grunt

webpack

webpack-loaders

Grunt-eslint

ProgressiveRendering

webpack-code-splitting

This course compiles a comprehensive range of questions that are most likely to be asked during the frontend interview. Where many interview prep courses focus on data structures and algorithms, this course focuses on a variety of topics from network security to system design.

In this course, you will solve interview questions that cover general aspects of web development. You’ll start by going over network security and optimization techniques for load balancing and browser rendering. After that, you’ll move on to interview questions around SEO, APIs, and system design.

Overall, these are questions that are often overlooked, but they can really make you stand out from your peers. By the end of this course, you will have the confidence and ability to go in and ace that interview.

Web Development Interview Handbook

Suppose you were designing an e-commerce website that displayed items for sale across multiple pages. Which of the following are suitable components for such a site?

<p>Suppose you were designing an e-commerce website that displayed items for sale across multiple pages. Which of the following are suitable components for such a site?</p>


Multiple teams can reuse a single component, which saves time, effort, and cost.


Components communicate via the REST API, which makes them safer and more secure.


Components don’t have to necessarily work with other components, so there is freedom of technology choice.


Which of the following are advantages of component-based design?

<p>Which of the following are advantages of component-based design?</p>


Components in component-based design and 'web components' are necessarily one and the same thing.

<p>Components in component-based design and ‘web components’ are necessarily one and the same thing.</p>


They communicate via APIs on the network.


They are a fine-grain and light-weight version of a service.

Which of the following is NOT true about microservices?

<p>Which of the following is NOT true about microservices?</p>


The Home page, the Teach page, and the My Courses page.


Buy a course, create a course, and read a course.

Blogs, courses, and the discussion platform.


What microservices can a website like educative.io be divided into?

<p>What microservices can a website like <a href="http://educative.io">educative.io</a> be divided into?</p>


Microservices can each be using completely separate technologies.

<p>Microservices can each be using completely separate technologies.</p>


Using Custom Elements, the Shadow DOM, and HTML Templates.

Which of the following are valid ways to create a Web Component?

<p>Which of the following are valid ways to create a Web Component?</p>


<h3 style="color:red"> Web Components </h3>
<h3 style="color:red"> test </h3>

<h3> Web Components </h3>
<h3 style="color:red"> test </h3>

<h3> Web Components </h3>
<h3> test </h3>

Check out the following JavaScript code for an autonomous custom element. 

```Javascript
class Lesson extends HTMLElement {
  constructor() {
    super();
    this.innerHTML = `<h3>${this.getAttribute('heading')}</h3>`;
  }
}

window.customElements.define('lesson-section', Lesson);
```
Here's the HTML for it
```html
...
 <body>
   <lesson-section heading="Web Components">
   </lesson-section>
   <h3> test </h3>
 </body>
...
```
There is one CSS rule in an included style sheet that colors all the h3 headings red. Which of the following is the correct output?


<p>Check out the following JavaScript code for an autonomous custom element.</p>
<pre><code class="language-Javascript">class Lesson extends HTMLElement {
  constructor() {
    super();
    this.innerHTML = `&lt;h3&gt;${this.getAttribute('heading')}&lt;/h3&gt;`;
  }
}

window.customElements.define('lesson-section', Lesson);
</code></pre>
<p>Here’s the HTML for it</p>
<pre><code class="language-html">...
 &lt;body&gt;
   &lt;lesson-section heading=&quot;Web Components&quot;&gt;
   &lt;/lesson-section&gt;
   &lt;h3&gt; test &lt;/h3&gt;
 &lt;/body&gt;
...
</code></pre>
<p>There is one CSS rule in an included style sheet that colors all the h3 headings red. Which of the following is the correct output?</p>


Suppose you do not wish to apply global CSS styling rules to your custom elements. How would you do that?


<p>Suppose you do not wish to apply global CSS styling rules to your custom elements. How would you do that?</p>


Suppose you work in a team of developers. Your team launches a website with some basic functionality that works on all browsers. You then begin to add more advanced features for newer browsers. What development approach is this?

<p>Suppose you work in a team of developers. Your team launches a website with some basic functionality that works on all browsers. You then begin to add more advanced features for newer browsers. What development approach is this?</p>


Web components and component-based design are the way to go for most developer teams! Test your knowledge on these topics with a quick quiz.

Introduction

Network

Security

Optimizing Loading Performance

Optimizing Browser Rendering Performance

Search Engine Optimization

System Design

APIs

Testing

Version Control

Task Runners & Bundlers

Conclusion

Web Components: Quiz