End Developer Junior Front Interview Questions

15,856 end developer junior front interview questions shared by candidates

// What does this code return? var Foo = function (a) { this.bar = () => { return a; } var baz = function () { return a; }; }; Foo.prototype = { biz: () => { return this.bar(); } }; var f = new Foo(7); f.bar(); //=> f.baz(); //=> f.biz(); //=>
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Front End Developer

Interviewed at LinkedIn

3.8
Jan 8, 2019

// What does this code return? var Foo = function (a) { this.bar = () => { return a; } var baz = function () { return a; }; }; Foo.prototype = { biz: () => { return this.bar(); } }; var f = new Foo(7); f.bar(); //=> f.baz(); //=> f.biz(); //=>

Asked me to write a throttle function in javascript. Well, essentially...he wanted me to write a function that would call another function, but not if it had been called within a certain set time, which is essentially what a throttle function is. I completely flailed, but it's a useful function to have...probably why they put it in the underscore library which is what I based this answer on.
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Front End Web Developer

Interviewed at Google

4.4
Aug 15, 2014

Asked me to write a throttle function in javascript. Well, essentially...he wanted me to write a function that would call another function, but not if it had been called within a certain set time, which is essentially what a throttle function is. I completely flailed, but it's a useful function to have...probably why they put it in the underscore library which is what I based this answer on.

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