[Solved] How to make a function take in an array of numbers and give the ones less than 70?

by


You almost got it, change it to like this

var grades = [100, 90, 100, 50, 80, 60];
function countFailing(gradesArr){
var counter = 0;
for (var i = 0; i < gradesArr.length; i++){
    if (gradesArr[i] < 70 )
        counter++;
} 
return counter;
}

alert(countFailing(grades));

DEMO HERE

solved How to make a function take in an array of numbers and give the ones less than 70?