I need help with my JavaScript programming this

Question

(px, py) ((lp1x, lp1y), (lp2x, lp2y)) output
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(1, 1) ((0,0), (2,2)) on
(3, -1) ((2,0), (0,2)) on
(0, 0) ((2,0), (3,0)) on
(1, 0) ((1,0), (1,2)) on
(0, 1) ((0,0), (2,2)) off
(3, 1) ((2,0), (2,2)) off

Answer 1

You ask for javascript and you tag 'java'...
You copy paste an output but without ewplain what is what, what is expected to be, what is eventually wrong...
You don't provide any code ( none are public in your profile )...

We don't have divinatory power ^^