pxt-calliope/docs/reference/js/statements.md

statements, operators, and libaries

Statements, operators, and libraries. #docs #statements #operators #library

@parent js/language

TouchDevelop functions include statements and operators.

Statements

TouchDevelop statements include:

• break, to exit a loop before it has completed, usually used in conjunction with an if statement
• if conditional statement
• for and while loops
• function
• return
• var (local variable declaration)

Operators

TouchDevelop operators include:

• assignment operator := (to update variables)
• arithmetic operators (+, -, *, /, mod) operate on Numbers
• comparison operators (such as >, =) operate on Numbers
• boolean operators (not, or, and) operate on Booleans
• concat operator combines Strings

Libraries

Libraries provide additional functions:

• the micro:bit library
• the math and bits libraries

see also

TouchDevelop Documentation, comments