Answers for "javascript find largest value"

javascript hwo to return largest value with index

var a = [0, 21, 22, 7];
var indexOfMaxValue = a.reduce((iMax, x, i, arr) => x > arr[iMax] ? i : iMax, 0);

document.write("indexOfMaxValue = " + indexOfMaxValue); // prints "indexOfMaxValue = 2"

Find largest number from array by function in javascript

function largestElements(numbers) {
    var largest = 0;
    for (let i = 0; i < numbers.length; i++) {
        var elements = numbers[i];
        if (elements > largest) {
            largest = elements;
        }
    }
    return largest;
}
const numbers = [2, 3, 4, 8, 5, 2, 4];
console.log(largestElements(numbers));
//Output: 8