// this is a javascript emulation of range in python function range(start, stop, step) { if (typeof stop == 'undefined') { // one param defined stop = start; start = 0;} if (typeof step == 'undefined') { step = 1;} if ((step > 0 && start >= stop) || (step < 0 && start <= stop)) { return [];} var result = []; for (var i = start; step > 0 ? i < stop : i > stop; i += step) { result.push(i);} return result; };
and a simple example of usage, similar to Python
for (i in range(10)) console.log(i);
output
0 1 2 3 4 5 6 7 8 9
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