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Full Stack Javascript Developer Interview Questions

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60 full stack javascript developer interview questions shared by candidates

first interview - 2 questions, 1) function that returns if the a string with parentheses, a.k.a "<>(){}{}sadasd" is in the right logical sense. 2) fix some long broken code. second interview- 1. implement string lexicographical compare function. and two other questions , implement functions for code out put , felt like then and resolve operator overload.
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JavaScript Developer (back-end / full-stack)

Interviewed at Bright Data

3.8★
Dec 24, 2023

first interview - 2 questions, 1) function that returns if the a string with parentheses, a.k.a "<>(){}{}sadasd" is in the right logical sense. 2) fix some long broken code. second interview- 1. implement string lexicographical compare function. and two other questions , implement functions for code out put , felt like then and resolve operator overload.

which following is true about Node.js clustering? 1- A single instance of Node.js runs in a single thread. 2-To take advantage of multi-core systems, it is available to launch a cluster of Node.js processes to handle the load. 3-The cluster module allows easy creation of child processes that all share server ports. 4-All of the above ------------------------- let racer = function() { setTimeout(() => console.log("timeout"), setImmediate(() => console.log ("immediate")) ; process.nextTick(() => console.log("nextTick")) console.log( "current event loop") } racer(); Choose the best option 1- timeout, immediate, nextTick, current event loop 2- immediate, timeout, nextTick, current event loop 3- timeout, immediate, current event loop, current event loop 4- current event loop, nextTick, timeout, immediate 5- Syntax Error ---------------------- What styling method is not used in React? 1- by className 2- by inline styles 3- style bindings 4- css-in-Is 5- 3rd party libraries for styling components such as StyledComponents, Radium, (ssModules, etc.
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Full Stack JavaScript Developer

Interviewed at Soshace

4.5★
Dec 17, 2021

which following is true about Node.js clustering? 1- A single instance of Node.js runs in a single thread. 2-To take advantage of multi-core systems, it is available to launch a cluster of Node.js processes to handle the load. 3-The cluster module allows easy creation of child processes that all share server ports. 4-All of the above ------------------------- let racer = function() { setTimeout(() => console.log("timeout"), setImmediate(() => console.log ("immediate")) ; process.nextTick(() => console.log("nextTick")) console.log( "current event loop") } racer(); Choose the best option 1- timeout, immediate, nextTick, current event loop 2- immediate, timeout, nextTick, current event loop 3- timeout, immediate, current event loop, current event loop 4- current event loop, nextTick, timeout, immediate 5- Syntax Error ---------------------- What styling method is not used in React? 1- by className 2- by inline styles 3- style bindings 4- css-in-Is 5- 3rd party libraries for styling components such as StyledComponents, Radium, (ssModules, etc.

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