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Task/Call-a-function/JavaScript/call-a-function-5.js
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Task/Call-a-function/JavaScript/call-a-function-5.js
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@ -0,0 +1,6 @@
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var mutate = function(victim) {
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victim[0] = null;
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victim = 42;
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};
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var foo = [1, 2, 3];
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mutate(foo) // foo is now [null, 2, 3], not 42
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