32 assertEquals(-1, a.findIndex(function(val) { return 121 === val; }));  argument
34 assertEquals(1, a.findIndex(function(val) { return 22 === val; }), undefined);  argument
35 assertEquals(2, a.findIndex(function(val) { return 23 === val; }), null);  argument
36 assertEquals(3, a.findIndex(function(val) { return 24 === val; }));  argument
49   a.findIndex(function(val, key, obj) {  argument
75   var index = a.findIndex(function(val, key, obj) {  argument
118   var index = Array.prototype.findIndex.call(a, function(val, key, obj) {  argument
133   index = Array.prototype.findIndex.apply(a, [function(val, key, obj) {  argument
168   var index = Array.prototype.findIndex.call(a, function(val, key, obj) {  argument
190   a.findIndex(function(val) { a.push(val); return false; });  argument
195   a.findIndex(function(val, key) { a[key] = ++val; return false; });  argument
219   var index = a.findIndex(function(val) { return val === undefined; });  argument
231   var index = a.findIndex(function(val) { return val === 42; });  argument
241   var index = [1, 2, 3].findIndex(function(val, key) {  argument
254   index = ["a", "b", "c"].findIndex(function(val, key) {  argument