Sebesta Ch 4 Problems



Problem 4.11 - counter

		// Problem 4.11
		function counter(nums) {
			var NEGATIVE = 0;
			var ZERO = 1;
			var POSITIVE = 2;
			var result = new Array(0,0,0);
			for(var index = 0; index < nums.length; index++) {
				//alert(nums[index]);
				if(nums[index] < 0 ) result[NEGATIVE]++;
				else if(nums[index] == 0 ) result[ZERO]++;
				else result[POSITIVE]++;
			}
			
			//alert('result = ' + result);
			return result;
		}
		
		function test_counter() {
		   var test = new Array(1,-1,0,0,2,3,0,-4,0);
		   console.log('test = ' + test);
		   console.log('counter(test) = ' + counter(test));
		}