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| function sortByAge(arr) { | |
| arr.sort((a, b) => a.age - b.age); | |
| } | |
| let john = { name: "John", age: 25 }; | |
| let pete = { name: "Pete", age: 30 }; | |
| let mary = { name: "Mary", age: 28 }; | |
| let arr = [ pete, john, mary ]; | |
| sortByAge(arr); | |
| // now: [john, mary, pete] | |
| console.log(arr[0].name); // John | |
| console.log(arr[1].name); // Mary | |
| console.log(arr[2].name); // Pete |
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