Find Average of All Elements in Array using JavaScript | Learn JavaScript & Algorithms

Find average of all elements in array using javascript. Write a function that finds the average of all elements in an array using JavaScript. You can find the average of all elements in an array by summing up all elements in the array and dividing the sum by the number of elements in the array.

Define a function that takes an array as an input. Declare a variable 'sum' and initialize it to 0. This variable will be used to keep track of the sum of all elements in the given array. Start the for loop that iterates through the array from the first element to the last.

In each iteration, add the value of the current element in sum. After the loop is finished, calculate the average of all elements in the array by dividing the sum by the length of the array. Return the calculated average.

Define array, call function with this array as an argument. The result of the function call will be the average of all elements in the array. So this is how we can find the average of all elements in an array using JavaScript.

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