const findLastIndex = (array, predicate) => { let l = array.length; while (l--) { if (predicate(array[l], l, array)) { return l; } } return -1; };
const findLastIndex = (array, predicate) => { let l = array.length; while (l--) { if (predicate(array[l], l, array)) { return l; } } return -1; };