Front End Developer Interviews

Front End Developer Interview Questions

Front end developers are responsible for the interaction between web pages and users by designing and creating webpages using HTML, CSS, and JavaScript. Knowledge and experience with these three programming languages and their supporting tools is a must for employers. During an interview, be prepared to answer technical questions and to talk about past web development experience.

21,133 front end developer interview questions shared by candidates

Code snippet, something like: what would you see in the DOM? @Component({ selector: 'cmp', template: '{{value}}' }) export class Cmp implements OnInit, onChanges { value = 10; ngOnInit() { this.value += 5 } ngOnchanges(){ this.value += 1 } }
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Junior Front End Developer

Interviewed at Base

4.4
May 27, 2024

Code snippet, something like: what would you see in the DOM? @Component({ selector: 'cmp', template: '{{value}}' }) export class Cmp implements OnInit, onChanges { value = 10; ngOnInit() { this.value += 5 } ngOnchanges(){ this.value += 1 } }

Here are the requirements, 1. It should allow users to create a new Google Meet meeting and quickly share the meeting link with others. 2. It should allow users to choose which email to create meetings if they have multiple Google Accounts signed in. 3. Cache the selected email for further meetings. 4. Make it easy to create and share new meeting links only using Keyboard shortcuts.
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Senior Front End Engineer

Interviewed at OSlash

3.7
Feb 8, 2022

Here are the requirements, 1. It should allow users to create a new Google Meet meeting and quickly share the meeting link with others. 2. It should allow users to choose which email to create meetings if they have multiple Google Accounts signed in. 3. Cache the selected email for further meetings. 4. Make it easy to create and share new meeting links only using Keyboard shortcuts.

1. Implement a password check. Essentially, evaluate if a string contains one uppercase, one lowercase, one digit, and one "special character". I had to ask for clarification on what a "special character" is here and was told anything that does not fall in the above. 2. Refactor a React component from the existing lifecycle methods into a functional component with hooks. This also came up multiple times in step 2, which was a bit of a yellow flag for me as they really honed in on this relatively simple problem. 3. Center a div inside its parent. 4. A tooltip is appearing inside a div, move it outside.
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Front End Software Engineer

Interviewed at Brightidea

3.9
Feb 10, 2021

1. Implement a password check. Essentially, evaluate if a string contains one uppercase, one lowercase, one digit, and one "special character". I had to ask for clarification on what a "special character" is here and was told anything that does not fall in the above. 2. Refactor a React component from the existing lifecycle methods into a functional component with hooks. This also came up multiple times in step 2, which was a bit of a yellow flag for me as they really honed in on this relatively simple problem. 3. Center a div inside its parent. 4. A tooltip is appearing inside a div, move it outside.

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