wwwbasic
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An implementation of BASIC designed to be easy to run on the Web
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[](https://travis-ci.org/google/wwwbasic)
# WWWBasic
WWWBasic is an implementation of BASIC (Beginner's All-purpose Symbolic
Instruction Code) designed to be easy to run on the Web.
## How to use WWWBasic
You can include WWWBasic directly in Web pages:
```
<!DOCTYPE html>
<script src="https://google.github.io/wwwbasic/wwwbasic.js"></script>
<script type="text/basic">
PRINT "Hello World!"
FOR i = 1 to 10
PRINT "Counting "; i
NEXT i
</script>
```
You can also import WWWBasic as a Node.js module:
```
var basic = require('./wwwbasic.js');
basic.Basic(
`
PRINT "Hello World!"
FOR i = 1 to 10
PRINT "Counting "; i
NEXT i
`);
```
## Features
It supports a range of features including:
* Graphics: 24-bit color, PSET, LINE, CIRCLE.
* Input: INKEY$, GETMOUSE.
* Source is parsed and compiled to JavaScript at load time.
## Test Suite
WWWBasic has a "Work-in-progress" test suite.
It can be run with: `./run-tests.sh`.
## Examples
* [Circles](https://google.github.io/wwwbasic/examples/circles.html)
([source](examples/circles.html)) - Some circles...
* [DONKEY.BAS](https://google.github.io/wwwbasic/examples/donkey.html)
([source](examples/donkey.html)) -
The classic "game", apparently
[co-authored by Bill Gates himself](https://blog.codinghorror.com/bill-gates-and-donkey-bas/).
* [GET & PUT](https://google.github.io/wwwbasic/examples/getput.html)
([source](examples/getput.html)) - Test of GET/PUT.
* [Hello World](https://google.github.io/wwwbasic/examples/hello_world.html)
([source](examples/hello_world.html)) - Hello.
* [Lines](https://google.github.io/wwwbasic/examples/lines.html)
([source](examples/lines.html)) - Some lines...
* [Primes](https://google.github.io/wwwbasic/examples/primes.html)
([source](examples/primes.html)) - Primes <3000.
* [Slides](https://google.github.io/wwwbasic/examples/slides.html)
([source](examples/slides.html)) - Reveal.BAS :-)
* [Editor](https://google.github.io/wwwbasic/examples/editor.html)
([source](examples/editor.html)) - Live editor using
[Ace](https://ace.c9.io/).
## Source Code Headers
Every file containing source code must include copyright and license
information. This includes any JS/CSS files that you might be serving out to
browsers. (This is to help well-intentioned people avoid accidental copying that
doesn't comply with the license.)
Apache header:
Copyright 2018 Google LLC
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.