--- /dev/null
+function findLastIndex(array, predicate, self) {
+ var len = array.length;
+ var i;
+ if (len === 0) return -1;
+ if (typeof predicate !== 'function') {
+ throw new TypeError(predicate + ' must be a function');
+ }
+
+ if (self) {
+ for (i = len - 1; i >= 0; i--) {
+ if (predicate.call(self, array[i], i, array)) {
+ return i;
+ }
+ }
+ } else {
+ for (i = len - 1; i >= 0; i--) {
+ if (predicate(array[i], i, array)) {
+ return i;
+ }
+ }
+ }
+
+ return -1;
+}
+
+module.exports = findLastIndex