Full-Stack Developer Interview Preparation Guide
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Full-stack Developer Frequently Asked Questions in various Full-Stack Developer job interviews by interviewer. The set of questions are here to ensures that you offer a perfect answer posed to you. So get preparation for your new job interview

30 Full-Stack Developer Questions and Answers:

1 :: Explain me what are the disadvantages of using JavaScript?

Experienced coders won’t just be able to rave about their favorite language’s strengths—they will also be able to talk about its weaknesses. JavaScript’s main weakness is security. Look for answers on how it can be exploited. A secondary weakness is JavaScript’s ubiquity and versatility—it can be a double-edged sword in that there’s a lot of room for programming quirks that can lead to inconsistent performance across different platforms.
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2 :: Explain me which frameworks are you most familiar with?

You can tell a lot about a programmer from the frameworks they’re familiar with—AngularJS, React, jQuery, Backbone, Aurelia, and Meteor are just some of the more popular ones available. The key here is to make sure the developer you’re engaging has experience with the framework you’ve chosen for your project.
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3 :: Can you write a function that can determine whether a string is a palindrome in under 100 characters?

A palindrome is a word, phrase, or sequence of letters that reads the same backwards or forwards. It also makes a great test for checking their ability to handle strings.

function isPalindrome(str) {
str = str.replace(/s/g, '').toLowerCase();
return (str == str.split('').reverse().join(''));
}
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4 :: Tell us are you a team player? Give an example of a time when you had to resolve a conflict with another member on your team?

There are many jobs associated with putting together an application, and chances are high that your new JavaScript developer will at the very least have to interface with a designer. You’re looking for a developer who can communicate effectively when they need to, responds to emails, and knows how to coordinate with other branches of a project.
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5 :: Can you tell me what is starvation?

a problem encountered in concurrent computing where a process is perpetually denied necessary resources to process its work
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6 :: Tell us what is polymorphism?

Variable of type Shape could refer to an object of type Square, Circle... Ability of a function to handle objects of many types
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7 :: Tell us what is OSGI?

Specification describes a modular system and a service platform for the Java programming language that implements a complete and dynamic component model. Each bundle has its own classpath. Dependency hell avoidance. META-INF/MANIFEST.MF contains OSGI-info
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8 :: Do you know what are the advantages of using JavaScript?

You want a developer who really knows how to play to the strengths of your chosen platform. Some key advantages of JavaScript are listed below for your convenience.

☛ Lightweight: JavaScript can be executed within the user’s browser without having to communicate with the server, saving on bandwidth.
☛ Versatile: JavaScript supports multiple programming paradigms—object-oriented, imperative, and functional programming and can be used on both front-end and server-side technologies.
☛ Sleek Interactivity: Because tasks can be completed within the browser without communicating with the server, JavaScript can create a smooth “desktop-like” experience for the end user.
☛ Rich Interfaces: From drag-and-drop blocks to stylized sliders, there are numerous ways that JavaScript can be used to enhance a website’s UI/UX.
☛ Prototypal Inheritance: Objects can inherit from other objects, which makes JavaScript so simple, powerful, and great for dynamic applications.
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9 :: Tell us an example of a time that you used Prototypal OO in JavaScript?

Prototypal OO is the other major programming paradigm that really lets JavaScript shine—objects linked to other objects (OLOO). You’re looking for knowledge of when and where to use prototypes, liberal use of “Object.assign()” or mixins, and a solid grasp of concepts like delegation and concatenative inheritance.
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10 :: Tell us the differences between one-way data flow and two-way data binding?

This question may seem self-explanatory, but what you’re looking for is a developer who can demonstrate solid understanding of how data flows throughout the application. In two-way data binding, changes to the UI and changes to the model occur asynchronously—a change on one end is reflected on the other. In one-way data binding, data only flows one way, and any changes that the user makes to the view will not be reflected in the model until the two are synced. Angular makes implementing two-way binding a snap, whereas React would be your framework of choice for deterministic one-way data flow.
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