# Difference between revisions of "Interactive JessieScript"

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## Revision as of 15:40, 22 March 2010

### Possible elements:

Construction | Description |
---|---|

A(1,1) | Point with name 'A' at the position (1,1) |

ZY(0.5|1) | Point with name 'ZY' at the position (0.5,1) |

]AB[ | straight line through the points A and B |

[AB[ | ray through the points A and B, stopping at A |

]AB] | ray through the points A and B, stopping at B |

[AB] | segment through the points A and B |

g=[AB] | segment through the points A and B, named by 'g' |

k(A,1) | circle with midpoint A and radius 1 |

k(A,B) | circle with midpoint A through the point B on the circle line |

k(A,[BC]) | circle with midpoint A and radius defined by the length of the (not necessarily existing) segement [BC] |

k_1=k(A,1) | circle with midpoint A and radius 1, named by 'k_1' |

The different elements have to be separated by semicolon.

### The JavaScript code

```
var board, construction = [];
board = JXG.JSXGraph.initBoard('box', {grid:true, boundingbox:[-1,6,11,-3], keepaspectratio:true, axis:true});
function construct() {
var t = document.getElementById('input').value;
construction.push(board.construct(t));
}
```