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172
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1 var something;
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2
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3 TEST('parent-child', function()
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4 {
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5 var parent = {};
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6 var child = create(parent);
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7
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8 parent.aaa = 12;
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9 assert( child.aaa === something );
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10
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11 child.aaa = 24;
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12 assert( parent.aaa === something );
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13
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14 parent.aaa = 36;
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15 assert (child.aaa === something );
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16
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17 delete child.aaa;
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18 assert( child.aaa === something );
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19 });
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20
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21
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22 TEST("what's the tree?", function()
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23 {
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24 var a;
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25 var b;
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26 var c;
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27
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28 // Please write your answer here.
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29 // Don't use aaa, bbb or ccc in your code.
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30
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31 a.aaa = 1;
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32 assert( b.aaa === undefined );
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33 assert( c.aaa === 1 );
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34
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35 b.bbb = 2;
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36 assert( a.bbb === 2 );
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37 assert( c.bbb === 2 );
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38
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39 c.ccc = 3;
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40 assert( a.ccc === undefined );
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41 assert( b.ccc === undefined );
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42 });
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