README.md

Javascript

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• - 01. Global, Local Variables
• - 02. Associative Array
• - 03. Hoisting
• - 04. Closure
• - 05. Bind
• - 06. Scope and Execution Context in JS
• - 07. Call and Apply
• - 08. How this works?
• - 09. Diff between null and undefined?
• - 10. Data types in JS
• - 11. === Triple Equal
• - 12. Eval()
• - 13. Prototypal inheritance
• - 14. How to create native methods in JS ([].duplicate())
• - 15. IIFE, Anonymous Function
• - 16. Event delegation
• - 17. Event Bubbling & Capturing
• - 18. Diff between {} and new Object()
• - 19. Diff between DOMContentLoaded and onload?
• - 20. Use Strict
• - 21. What is Function Declaration and Definition?
• - 22. How do you find an variable is Array or not?
• - 23. SetTimeout in for-loop
• - 24. For-in Loop
• - 25. InstanceOf(), Typeof()
• - 26. Sorting abc in array ([1,11,12,21,2,3])
• - 27. Pass by value or reference (string, number, boolean, array, objects)
• - 28. Cloning an object
• - 29. Cloning an array
• - 30. Event Loop
• - 31. How do you create private methods
• - 32. Chaining in js similar to Jquery
• - 33. Callbacks
• - 34. Promises
• - 35. == Double equal
• - 36. Callback vs Promise
• - 37. Deep checking in object
• - Curing in JS
• - XMLHttpRequest
• - Ajax
• - JSONP
• - CROS and Same origin policy
• - DOM API’s and operations.
• - Design patters (Singleton, Modular etc,)
• - Geolocation
• - Web Workers
• - Service Workers
• - OO programming in JS

ES6

• - What is ES6 and ECMA ?
• - New features of ES6?

Design Patterns

• - Factory
• - Singleton
• - Decorator
• - Facade
• - Pub-Sub
• - Module

Problems

• - Anagram
• - Array Product
• - Counter app without localstorage or global variable
• - Find a pair of values in a sorted array equal to a sum
• - Prime Number
• - Palindrome

Reference:

• H5BP
• Medium
• JS Interview Questions
• Codementor
• Site Point
• 123 Essential JavaScript
• JS Dude
• JavaScript Garden