<HTML>
<body>
</body>
<script>
let john = { name: "John", age: 25 };
let pete = { name: "Pete", age: 30 };
let mary = { name: "Mary", age: 29 };
let arr = [ john, pete, mary ];
function getAverageAge(arr){
return arr.reduce((sum, curr) => sum + curr.age, 0) / arr.length;
}
alert(getAverageAge(arr));
</script>
</HTML>
<!--
//My answer
function getAverageAge(arr){
let sum = 0;
arr.forEach((item) => {
sum = sum + item.age;
});
return sum / arr.length;
}
-->
<body>
</body>
<script>
let john = { name: "John", age: 25 };
let pete = { name: "Pete", age: 30 };
let mary = { name: "Mary", age: 29 };
let arr = [ john, pete, mary ];
function getAverageAge(arr){
return arr.reduce((sum, curr) => sum + curr.age, 0) / arr.length;
}
alert(getAverageAge(arr));
</script>
</HTML>
<!--
//My answer
function getAverageAge(arr){
let sum = 0;
arr.forEach((item) => {
sum = sum + item.age;
});
return sum / arr.length;
}
-->
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