How Much is True? || JavaScript

How Much is True? || JavaScript

Create a function which returns the number of true values there are in an array.

Examples

countTrue([true, false, false, true, false]) ➞ 2

countTrue([false, false, false, false]) ➞ 0

countTrue([]) ➞ 0        

Notes

  • Return 0 if given an empty array.
  • All array items are of the type bool (true or false).

First solution:

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Second solution :



function countTrue(arr){
	var count = 0;
	for(var i = 0; i < arr.length; i++){
		if(arr[i] === true){
			count++;
		}
	}
	return count;
}
        

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