moving out outdated js docs

olddocs/js/statements.md

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