What is Javascript?

Weakly typed

Dynamically typed

1 + 1

 = 2

1 + "1"

 = "11"

"11" + 1

 = "111"

"11" - 1

 = 10

true + true

 = 2

true + true

 = 2

true + [ ]

 = "true"

[ 12, 56, 45]

true + [ ]

 = "true"

What is Typescript?

Strongly typed

Statically typed

👩🏽‍💻

📋

🕵️‍♀️

Release

🖥️