Search str in arr by either exact match or not

searchArray.js

//Search str in arr by either exact match or not
function searchArray(str, arr, exactMatch) {
	if (exactMatch) {
		//Search for the exact same item with str in arr
		for (var i = 0; i < arr.length; i++) {
			if (str == arr[i]) {
				return true;
			}
		}
	} else {
		//Search for any item that contains str
		return arr.join(" ").indexOf(str) > -1;
	}

	return false;
}