Question about expression (i'm a beginner)

Hello i just started reading a book called "The power of expression" and in a example they use the index like this:

offset = 150;
[position[0]+offset*index,position[1]];

i just wanted to know why they put de 0 and the 1 in semicolon.

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Correct answer Dan Ebberts

position[0] is the x postion and position[1] is the y position. Is that what you're asking?

Correct answer

Community Expert

position[0] is the x postion and position[1] is the y position. Is that what you're asking?

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