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What is TypeScript
Open source programming language from Microsoft
Is a superset of JavaScript
TypeScript extends JavaScript by adding types
Transpiles down to plain JavaScript
TypeScript validates your JavaScript ahead of time

Why to use TypeScript
Is extended JavaScript
You can rename .js files to .ts
Optional static typing and type inference
JS is dynamically typed, Types are resolved at runtime
TS is optionally typed
TS adds type support to JS
Errors are identified as you type your code and during compilation
Adds IntelliSense and code completion
Less error-prone code

#TypeScript
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Every LIKE & SUBSCRIPTION gives me great motivation to keep working for you

You can support my mission for education by sharing this knowledge and helping as many people as you can

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________ ONLINE COURSES TO LEARN ________
https://automationstepbystep.com/free-online-tutorials/

GitHub - https://github.com/Raghav-Pal/
Udemy - https://www.udemy.com/user/raghav-pal-3/
Training by Raghav at your venue - [email protected]
Training schedule - https://automationstepbystep.com/trainings-2/

------------ UI TESTING ------------
Selenium Beginners - https://bit.ly/2MGRS8K
Selenium Java Framework from Scratch - https://bit.ly/2N9xvR6
Selenium Python - https://bit.ly/2oyMp5x
Selenium Tips - https://bit.ly/2owxc50
Selenium Builder - https://bit.ly/2MKNtlq
Katalon Studio - https://bit.ly/2wARFdi
Robot Framework with RIDE- https://bit.ly/2Px6Ue9
Robot Framework with Eclipse - http://bit.ly/2N8DZxb
Protractor - http://bit.ly/2KtqVkU
TestProject - http://bit.ly/2DRNJYE

------------ API TESTING ------------
Web Services (API) - https://bit.ly/2MGafL7
SoapUI - https://bit.ly/2MGahmd
Postman - https://bit.ly/2wz8LrW
General - https://bit.ly/2PYdwmV
Katalon Studio API Testing - https://bit.ly/2BwuCTN

------------ MOBILE TESTING ------------
Appium - https://bit.ly/2ZHFSGX
Mobile Playlist - https://bit.ly/2PxpeUv

------------ CI | CD | DEVOPS ------------
Jenkins Beginner - https://bit.ly/2MIn8EC
Jenkins Tips & Trick - https://bit.ly/2LRt6xC
Docker - https://bit.ly/2MInnzx
Kubernetes - http://bit.ly/2MJIlMK

-------------VIRTUALISATION-------------
Virtualization on windows - http://bit.ly/2SItIL9
------------ VERSION CONTROL SYSTEM ------------
Git & GitHub - https://bit.ly/2Q1pagY
GitLab - http://bit.ly/2kQPGyQ

------------ PERFORMANCE TESTING ------------
JMeter Beginner - https://bit.ly/2oBbtIU
JMeter Intermediate - https://bit.ly/2oziNVB
JMeter Advanced - https://bit.ly/2Q22Y6a
JMeter Tips & Tricks - https://bit.ly/2NOfWD2
Performance Testing - https://bit.ly/2wEXbLS

------------ PROGRAMMING ------------
Java Beginners - https://bit.ly/2PVUcXs
Java Tips & Tricks - https://bit.ly/2CdcDnJ
GROOVY - https://bit.ly/2FvWV5C
JAVASCRIPT - http://bit.ly/2KJDZ8o
PYTHON - http://bit.ly/2Z4iRye

------------ IDE ------------
Visual Studio Code - https://bit.ly/2V15yvt

------------ BUILD TOOLS ------------
Maven - https://bit.ly/2NJdDRS
Gradle - http://bit.ly/30l3h1B

------------ OTHERS ------------
Redis- https://bit.ly/2N9jyCG
Misc - https://bit.ly/2Q2q5xQ
Tools & Tips - https://bit.ly/2oBfwoR
QnA Friday- https://bit.ly/2NgwGpw
Sunday Special - https://bit.ly/2wB23BO

Ask Raghav - https://bit.ly/2CoJGWf
Interviews - https://bit.ly/2NIPPxk
All Playlists - https://bit.ly/2LSiezA

----------- Connect with Raghav ------------
Website - https://automationstepbystep.com/
LifeCharger - http://lifecharger.org/
Udemy Courses - https://www.udemy.com/user/raghav-pal-3/
Facebook - https://www.facebook.com/automationstepbystep
Twitter - https://twitter.com/LearnWithRaghav
Youtube - http://youtube.com/automationstepbystep

Never Stop Learning
Raghav