Update solution.md

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Violet.Lee 2019-10-16 06:13:27 +09:00 committed by GitHub
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@ -19,5 +19,5 @@ function wrap(target) {
user = wrap(user); user = wrap(user);
alert(user.name); // John alert(user.name); // John
alert(user.age); // Error: Property doesn't exist alert(user.age); // ReferenceError: Property doesn't exist
``` ```