Create a Web based project Starting a Project

Comment Variables Constant Final

Data Types Numbers Strings Booleans string.isEmpty Raw String abs() floor() int double

List How to access List item length Update an Item Making List literal Constant first last reversed isEmpty add() addAll() clear() List.generate()

Sets How to create Empty Set?

Maps Add a new key-vaule pair Retrive a value Accessing Map using Undefined key will return null Number of key-valule pair Making a Map literal constant

Functions Arrow Function Function Parameters @required annotation Required Parameters Default Parameter values main() Function Anonymous Function Return values Lexical Scope Lexical Closure

Operators Arithmetic Operators Relational Operators Assignment Operator Logical Operator Conditional expressions Cascade notation Conditional member access

Control Flow Statements If and else For loops forEach method for-in Statement while loop do-while loop break statement continue statement switch and case assert statement

Exception throw try-catch finally

Class

About Micro Task About Event Loop Future Keywords: then, await, async Future.delayed() Stream await for yield

Isolates

DOM