11 lines
306 B
JavaScript
11 lines
306 B
JavaScript
let user = {};
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for(key in user) alert(key, user[key]);
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user["name"] = "John"
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for(key in user) alert(key, user[key]);
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user["surname"] = "Smith"
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for(key in user) alert(key, user[key]);
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user["name"] = "Pete"
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for(key in user) alert(key, user[key]);
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delete user["name"];
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for(key in user) alert(key, user[key]);
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