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1 function A() {}; |
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2 A.prototype = []; |
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3 |
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4 function B() {}; |
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5 B.prototype = new A(); |
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6 |
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7 function C() {}; |
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8 C.prototype = new B(); |
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9 |
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10 function D() {}; |
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11 D.prototype = new C(); |
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12 |
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13 function E() {}; |
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14 E.prototype = new D(); |
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15 |
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16 function f() { |
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17 var o = new B(); |
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18 for (var i=0; i<10; i++) |
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19 o[i] = i; |
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20 |
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21 var expected = '{"0":0,"1":1,"2":2,"3":3,"4":4,"5":5,"6":6,"7":7,"8":8,"9":9}'; |
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22 assertEq(JSON.stringify(o), expected); |
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23 |
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24 var o = new A(); |
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25 for (var i=0; i<10; i++) |
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26 o[i] = i; |
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27 |
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28 assertEq(JSON.stringify(o), expected); |
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29 |
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30 var o = new D(); |
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31 for (var i=0; i<10; i++) |
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32 o[i] = i; |
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33 |
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34 assertEq(JSON.stringify(o), expected); |
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35 |
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36 var o = new E(); |
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37 for (var i=0; i<10; i++) |
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38 o[i] = i; |
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39 |
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40 assertEq(JSON.stringify(o), expected); |
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41 } |
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42 f(); |