Elegant way to REDUCE a 2D array into 1D
Try doing
var arr = [[1,2,3],[4,5,6],[7,8,9]];
var newaArr = arr.map(el => el[0]);
Elegant way to REDUCE a 2D array into 1D
Try doing
var arr = [[1,2,3],[4,5,6],[7,8,9]];
var newaArr = arr.map(el => el[0]);