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1. INTRODUCTION TO
TYPESby Bo Andersen - codingexplained.com

2. WHAT ARE TYPES?
➤ Declaring a variable as a particular type, instead of any type like in normal JavaScript
➤ A variable cannot contain values of other types
➤ Types are checked at compile time
➤ Types included in TypeScript: boolean, number, string, array, enum, any, void
➤ Possible to create one's own types
➤ Types are optional and are not part of the outputted JavaScript
var occupation: string = "Developer";

3. BENEFITS OF TYPES
➤ Type errors are discovered at compile time
➤ Increased IDE assistance
➤ The language automatically ensures better code
➤ Simplifies code & makes it easier to understand
➤ Increased maintainability

4. THANK YOU FOR
WATCHING!