Practice Week 4 Task 8

by Ken Wai Ooi

HTML

<div id="practice">

</div>

JavaScript

function sum(val){
 var sum_value = 0;
 for (var x = 0; x < val.length; x++){
 sum_value += val[x];
 }
 return (sum_value);
}

function avg(val){
 var total = sum(val);
 return(total / val.length);
}

var test_score = [90,100,88,56,100,81];

var grade = avg(test_score);

document.getElementById("practice").innerHTML = grade;