Junior Front End Engineer Interview Questions

383 junior front end engineer interview questions shared by candidates

Gone through OOP principles, some language specific ( I mean really specific) questions, data structures and their comparison (advantages - disadvantages), SQL, HTML, CSS, Javascript. At the end they gave a coding problem and asked me to solve it on a paper (don't worry, they don't care about the syntax. They want to see you can design and apply a simple algorithm).
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Junior Front End Developer

Interviewed at P.I. Works

3.4
Oct 12, 2019

Gone through OOP principles, some language specific ( I mean really specific) questions, data structures and their comparison (advantages - disadvantages), SQL, HTML, CSS, Javascript. At the end they gave a coding problem and asked me to solve it on a paper (don't worry, they don't care about the syntax. They want to see you can design and apply a simple algorithm).

- Introduce yourself - What tech stack do you know - Attribute and property difference - Oops 4 pillars - strict mode in js and react js - anonymous function, how it is different from normal function? - What is DOM? - == & === difference - div and span tag and its diference - Code - fibonacci problem - what is react ? - pros and cons of react - keys in react - functional and class based components difference - difference ways to style react - react life cycle methods ## Technical Round 2 - Introduce yourself - asked github project - how did you called an api ? - what is async and await ? - what is closures? - what is hoisting? - var, let and const - jquery question - jumper number - merge sorted array
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Junior Front End Developer

Interviewed at Cognologix Technologies

3.8
Dec 25, 2022

- Introduce yourself - What tech stack do you know - Attribute and property difference - Oops 4 pillars - strict mode in js and react js - anonymous function, how it is different from normal function? - What is DOM? - == & === difference - div and span tag and its diference - Code - fibonacci problem - what is react ? - pros and cons of react - keys in react - functional and class based components difference - difference ways to style react - react life cycle methods ## Technical Round 2 - Introduce yourself - asked github project - how did you called an api ? - what is async and await ? - what is closures? - what is hoisting? - var, let and const - jquery question - jumper number - merge sorted array

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