OLD | NEW |
1 // Copyright 2008 the V8 project authors. All rights reserved. | 1 // Copyright 2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
(...skipping 22 matching lines...) Expand all Loading... |
33 // | 33 // |
34 // for an explanation of each of the functions. | 34 // for an explanation of each of the functions. |
35 | 35 |
36 // | 36 // |
37 // Array.prototype.filter | 37 // Array.prototype.filter |
38 // | 38 // |
39 (function() { | 39 (function() { |
40 // Simple use. | 40 // Simple use. |
41 var a = [0,1]; | 41 var a = [0,1]; |
42 assertArrayEquals([0], a.filter(function(n) { return n == 0; })); | 42 assertArrayEquals([0], a.filter(function(n) { return n == 0; })); |
43 assertArrayEquals(a, a); | 43 assertArrayEquals([0,1], a); |
44 | 44 |
45 // Use specified object as this object when calling the function. | 45 // Use specified object as this object when calling the function. |
46 var o = { value: 42 } | 46 var o = { value: 42 } |
47 a = [1,42,3,42,4]; | 47 a = [1,42,3,42,4]; |
48 assertArrayEquals([42,42], a.filter(function(n) { return this.value == n }, o)
) | 48 assertArrayEquals([42,42], a.filter(function(n) { return this.value == n }, o)
) |
49 | 49 |
50 // Modify original array. | 50 // Modify original array. |
51 a = [1,42,3,42,4]; | 51 a = [1,42,3,42,4]; |
52 assertArrayEquals([42,42], a.filter(function(n, index, array) { array[index] =
43; return 42 == n; })); | 52 assertArrayEquals([42,42], a.filter(function(n, index, array) { array[index] =
43; return 42 == n; })); |
53 assertArrayEquals([43,43,43,43,43], a); | 53 assertArrayEquals([43,43,43,43,43], a); |
(...skipping 165 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
219 a = new Array(20); | 219 a = new Array(20); |
220 var count = 0; | 220 var count = 0; |
221 a[2] = 42; | 221 a[2] = 42; |
222 a[10] = 2; | 222 a[10] = 2; |
223 a[15] = 42; | 223 a[15] = 42; |
224 assertTrue(a.some(function(n) { count++; return n == 2; })); | 224 assertTrue(a.some(function(n) { count++; return n == 2; })); |
225 assertEquals(2, count); | 225 assertEquals(2, count); |
226 | 226 |
227 })(); | 227 })(); |
228 | 228 |
OLD | NEW |