change typescript to javascript

docs/about.md

@@ -35,7 +35,7 @@ Learn about about the [hardware components](/device) of the micro:bit to make th
 
 ## Programming: Blocks or JavaScript
 
-The student can program the BBC micro:bit using [Blocks](/blocks) or [JavaScript](/typescript), via the [micro:bit APIs](/reference):
+The student can program the BBC micro:bit using [Blocks](/blocks) or [JavaScript](/javascript), via the [micro:bit APIs](/reference):
 
 ```blocks
 basic.showString("Hi!");
@@ -45,7 +45,7 @@ basic.showString("Hi!");
 
 When a user has her code ready, she can connect her BBC micro:bit to a computer via a USB cable, so it appears as a mounted drive (named MICROBIT). 
 
-Compilation to ARM thumb machine code from [Blocks](/blocks) or [JavaScript](/typescript) happens in the browser.
+Compilation to ARM thumb machine code from [Blocks](/blocks) or [JavaScript](/javascript) happens in the browser.
 
 The student is prompted to save the ARM binary program to a file, which she then simply drags to the micro:bit mounted drive, 
 which flashes the micro:bit device with the new program.

docs/javascript.md

@@ -1,8 +1,8 @@
-# TypeScript
+# JavaScript
 
-You can write micro:bit programs in a subset of [TypeScript](https://www.typescriptlang.org). 
-TypeScript itself is a superset of JavaScript, and many micro:bit programs,
-especially at the beginner's level, are also just plain JavaScript.
+You can write micro:bit programs in a subset of [TypeScript](https://www.typescriptlang.org), a superset of JavaScript.
+Many micro:bit programs, especially at the beginner's level, are just plain JavaScript. TypeScript introduces class-based 
+object-oriented programming, such as:
 
 ```js
 class Greeter {

pxtarget.json

@@ -110,8 +110,8 @@
                 "path": "/blocks"
             },
             {
-                "name": "TypeScript",
-                "path": "/typescript"
+                "name": "JavaScript",
+                "path": "/javascript"
             }
         ],
         "sideDoc": "getting-started"