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comparison core-javascript/javascript-exercises/create-exercises.js @ 172:e99460be1207 javascript-exercises

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Make a start with create_exercises.js.
author jf3243
date Thu, 10 Nov 2011 17:33:16 +0000
parents
children 74fc8108fef2
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171:19e88fb18c4e 172:e99460be1207
1 var something;
2
3 TEST('parent-child', function()
4 {
5 var parent = {};
6 var child = create(parent);
7
8 parent.aaa = 12;
9 assert( child.aaa === something );
10
11 child.aaa = 24;
12 assert( parent.aaa === something );
13
14 parent.aaa = 36;
15 assert (child.aaa === something );
16
17 delete child.aaa;
18 assert( child.aaa === something );
19 });
20
21
22 TEST("what's the tree?", function()
23 {
24 var a;
25 var b;
26 var c;
27
28 // Please write your answer here.
29 // Don't use aaa, bbb or ccc in your code.
30
31 a.aaa = 1;
32 assert( b.aaa === undefined );
33 assert( c.aaa === 1 );
34
35 b.bbb = 2;
36 assert( a.bbb === 2 );
37 assert( c.bbb === 2 );
38
39 c.ccc = 3;
40 assert( a.ccc === undefined );
41 assert( b.ccc === undefined );
42
43 });