2016-03-26 00:47:20 +01:00
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# statements, operators, and libaries
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2016-04-02 01:22:47 +02:00
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Statements, operators, and libraries.
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2016-03-26 00:47:20 +01:00
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### @parent js/language
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TouchDevelop functions include statements and operators.
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### Statements
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TouchDevelop statements include:
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2016-04-13 17:27:45 +02:00
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* [break](/js/break), to exit a loop before it has completed, usually used in conjunction with an [if](/reference/logic/if) statement
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* [if](/reference/logic/if) conditional statement
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* [for](/reference/loops/for) and [while](/js/while) loops
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* [function](/js/function)
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* [return](/js/return)
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* [var](/reference/variables/var) (local variable declaration)
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2016-03-26 00:47:20 +01:00
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### Operators
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TouchDevelop operators include:
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2016-04-13 17:27:45 +02:00
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* [assignment operator](/reference/variables/assign) `:=` (to update variables)
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* arithmetic operators (`+`, `-`, `*`, `/`, mod) operate on [Numbers](/reference/types/number)
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* comparison operators (such as `>`, `=`) operate on [Numbers](/reference/types/number)
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* boolean operators (`not`, `or`, `and`) operate on [Booleans](/reference/types/boolean)
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* concat operator combines [Strings](/reference/types/string)
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2016-03-26 00:47:20 +01:00
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### Libraries
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Libraries provide additional functions:
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2016-04-13 17:27:45 +02:00
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* the [micro:bit library](/js/contents)
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* the [math](/js/math) and [bits](/js/bits) libraries
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2016-03-26 00:47:20 +01:00
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### see also
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2016-04-13 17:27:45 +02:00
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[TouchDevelop Documentation](/js/contents), [comments](/js/comment)
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2016-03-26 00:47:20 +01:00
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