Channel: Questpond

Category: Education

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Description: For more such videos visit questpond.com Learn JavaScript Interview Question & Answers with real-time examples - _________________________________________________________________________ 00:00 Introduction 2:50 Question 1:- Why do we call javascript as dynamic language? 3:54 Question 2:- how does javascript determine data types ? 4:44 Question 3:- What is typeof functions? 4:44 Question 4:- How to check data type in javascript ? 5:21 Question 5:- What are different datatypes in Javascript ? 7:51 Question 6:- Explain Undefined Data types ? 8:36 Question 7:- What is Null ? 9:02 Question 8:- Differentiate between Null and Undefined ? 9:41 Question 9:- Explain Hoisting ? 10:51 Question 10:- Are Javascript initialization hoisted ? 11:39 Question 11:- What are global variables ? 12:06 Question 12:- What are the issues with Global variables ? 12:30 Question 13:- What happens when you declare variable with out VAR ? 13:30 Question 14:- What is Use Strict ? 13:30 Question 15:- How to force developers to use Var keyword ? 14:26 Question 16:- How can we handle Global Variables ? 14:26 Question 17:- How can we avoid Global variables ? 16:14 Question 18:- What are Closures ? 19:16 Question 19:- Why do we need Closures ? 22:52 Question 20:- Explain IIFE ? 24:40 Question 21:- What is the use of IIFE ? 24:40 Question 22:- What is name collision in global scope ? 24:40 Question 23:- IIFE vs Normal Function? 28:12 Question 24:- What are design patterns ? 28:52 Question 25:- Which is the most used design pattern? 29:03 Question 26:- What is module Pattern and revealing module pattern ? 33:57 Question 27:- What are the various ways to create JavaSCript objects? 35:55 Question 28:- How can we do inheritance in Javascript ? 35:55 Question 29:- What is prototype in Javascript ? 35:55 Question 30:- Explain Prototype chaining ? 43:41 Question 31:- What is Let Keyword? 45:52 Question 32:- Are Let variables hoisted ? 48:27 Question 33:- Explain Temporal Dead Zone ? 51:28 Question 34:- Let vs Var 58:12 Question 35:- String Concantentation and Arthimetic puzzle ----------------------------------------------------------------------------------------------------------------- See our other Step by Step video series below :- For more such videos subscribe youtube.com/questpondvideos 30 Important C# Interview Questions : youtu.be/BKynEBPqiIM 25 Important ASP.NET Interview Questions : youtu.be/pXmMdmJUC0g 25 Angular Interview Questions : youtu.be/-jeoyDJDsSM 20+ SQL Server Interview Questions : youtu.be/SEdAF8mSKS4 10+ Power BI Interview Questions : youtu.be/Cozc9WNBRt4 20 PHP Interview Questions : youtu.be/1bpNSynUrl8 5 MSBI Interview Questions : youtu.be/5E815aXAwYQ Learn Angular tutorial step by step tinyurl.com/ycd9j895 ASP.NET MVC Core Interview Questions with answers:- youtu.be/pXmMdmJUC0g C# tutorial for beginners(4 hrs):- youtu.be/AxEGRBFwlmI Learn SQL Server Step by Step tinyurl.com/ja4zmwu Learn Azure Step by Step:- youtu.be/wdUK7bCMXqs Azure AZ-900 fundamentals certification :- youtu.be/hC9iGgJorz8 AZ- 204 certification Azure:- youtu.be/qI8PRn2C080 Learn MVC 5 step by step in 16 hours:- youtu.be/Lp7nSImO5vk Learn Design Pattern Step by Step goo.gl/eJdn0m Learn MSBI Step by Step in 32 hours:- goo.gl/TTpFZN Python Tutorial for Beginners:- youtu.be/KjJ7WzEL-es Learn Data Science in 1 hour :- tinyurl.com/y5o7qbau Learn Power BI Step by Step:- tinyurl.com/y6thhkxw ----------------------------------------------------------------------------------------------- For more details :- 🌐 Website : questpond.com 📱 Mob. No. : +91-9967590707 / +91 7700975156 / +91-22-49786776 📧Email : questpond@questpond.com / questpond@gmail.com / questpond@yahoo.com Share, Support, Subscribe and Connect us on!!! YouTube: youtube.com/questpondvideos Twitter: twitter.com/questpond Instagram : instagram.com/questpond Facebook : facebook.com/Questpond #webdevelopmentinterviewquestions #javascript #javascriptinterviewquestionsandanswers #TopJavaScriptInterviewQuestions #javascriptinterviewquestions