freeCodeCamp·4yHow to Prepare for React Interviews – Front-End Technical Interview Guide
A polyfill is a custom implementation of native JavaScript functions. The.map() polyfill method takes in a callback that gets executed inside the myMap body. This is nothing but the length of the array through which theMyMap function is called. Since map() returns a new array, we create an empty array and push the results into it. In order to implement debouncing, let's take an example.
Faun·4yTop 30 System Design Interview Questions and Problems for Programmers and Software Engineers
System design is a process of defining the elements of a system such as the modules, components, various interfaces and architecture. Here are the top 20 System Design interview questions you can prepare before your next Interview. What are the Types of Documentation in System Design? What do you understand by load balancing? Why is it important in system design?
DZone·4yJS (React) Technical Interview: Structure, Coding Tasks Examples, Tips
Theoretical questions should cover all target areas, from general knowledge in programming to specific things based on target position needs. Coding skills are also very important, so it will be very useful to prepare some practical tasks. I always suggest 2-3 coding tasks in native JS to see how candidates understand the main JavaScript concepts. It’s good when you know any framework or library.