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Full List Of Front End Interview Questions
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Overview
Frontend System Design Blueprint
Build a Promise from scratch
Flatten I
Find Corresponding Node
Event Loop
App Design
Histogram
Auto Suggest Search List
Todo App
Search
Newsfeed
Checkbox
File Navigation (React/Typescript)
Tik Tac Toe (React/Typescript)
Image Carousel (React/Typescript)
Tabs (React)
API Search and Render Image (React)
Masonry Grid Using Vanilla JS (In Progress)
Transactions List (React)
Navigation
JSON Parsing
Filtering Matching JSON
Trending Stocks
JSON Conversion
Total Salaries
Skill Endorsement
Gym Sessions
Frontend System Design
Requirements
Architecture
Data Model
Interface Design
Optimization
Design Auto Complete Component
Design Message Application
Design Google Calendar
Design Asana (Diagram/Video Available - Write Up Coming Soon)
Design Amazon (Coming Soon)
Design Facebook (Coming Soon)
Server Side Rendering vs Client Side Rendering
Frontend Security
XSS vs CORS
Preventing XSS
Image Caching Strategies
Broadcast Channels
IndexedDB
Core Web Vitals
Accessibility
Aria Roles
Network requests
Polling Vs Web Sockets VS Server Side Events Cheat Sheet
Image Optimizations Strategies
Apollo Cache
Normalized vs Non Normalized Data Structures
Javascript Specific Questions
Throttle
Debounce
Flatten 1.5
Flatten II
Flatten III
Flatten III.5
Flatten Any IIII
Deep Equals
Array methods
Debounce II
Debounce III
Throttle II
"this" Methods
EventTarget
Curry Function
Compose Function
Create DOM
Promisify
Testing Framework
Promise Methods
Memoize
Flatten IV
Top K
Exclude Items
String Repeater
Next Right Sibling
K Most Frequently Appeared Text Nodes
NodeStore
Virtual DOM I
Virtual DOM II
Virtual DOM III
Text Highlighter
RequestAnimationFrame
Parser for Rich Text Editor
ClearAllTimeouts
ClearAllIntervals
Set Interval with Linear Delay
Rate Limiter
API Confirmation
Asynchronous Request Queue
Event Logger
RxJS Observable
Intersection Observer
Event Emitter
Event Emitter II
Deep Clone
Traverse DOM
Phone Number Parser
Stream
Classnames
getElementsByClassName
querySelectorAll
General Algorithmic Frontend Questions
First Duplicate Character
Object Path By Key
Merge Sorted Arrays
FizBuzz
Reverse A String
Meeting Slot
JSON.Stringify
Anagram
Frontend Topics You Must Know
Intro
Propagation
Progressive enhancement vs Graceful degradation
How does "this" work?
Prototypal Inheritance
null vs undefined vs undeclared
Closures
Array Methods
Call vs Apply
Event Bubbling
Hoisting
Event Delegation
CORS
Props and State
Lifecycle Methods
Differences between various Instantiations
let, var, and const
Rest vs Spread Operators
“resetting” vs “normalizing” CSS
Block Formatting Context
Anonymous Functions
“Attribute” VS “Property”
Host Objects vs Native Objects
Mutable VS Immutable
Synchronous VS Asynchronous
Higher-Order Function
Classical Inheritance VS Prototypal Inheritance
Functional programming vs object-oriented programming
Lexical
ES6 maps over objects
Sets vs Arrays
Destructuring an object or an array
ES6 Template Literals
Curry functions
ES2015
Functional/integration test
Linting
DNS, HTTP
Programming paradigms
Functional Programming
PureComponent
Higher-order components
React Hooks
React reconciliation
Scale A Website
Polyfill
"use strict"
Block vs inline elements
typeof, instanceof, and Object.prototype.toString
Reflow vs repaint
Critical Rendering Path
Inserting DOM Elements
SASS/LESS
Micro vs Macro tasks
Handling Memory Leaks
HTTP GET and POST requests
Classical inheritance
Prototypal inheritance
Asynchronous calls
Function declarations and expressions
Semantic markup
Tag attributes
Object.create vs new
Asynchronous Request Queue
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