<- [[.:prplreference| PRPL reference]] <- [[.:prplreference#program_flow_control|Program Flow Control]] ===== J ===== ^Arguments^Result^Notation^ | |number| [ - number] | === Description === First outer loop index. When loops are nested, this pushes the value of the first (or only) outer "do" loop onto the stack. Do not use outside nested loops. Note: after the inner loop finishes, this value is accessed with I, it being now the innermost loop. === Examples === do(2 1) do(4 3) I J Trace2 loop loop