Javascript - var 奇数或偶数 = 函数(数){}；

function isEven(n) {
   return n % 2 == 0;
}

function isOdd(n) {
   return Math.abs(n % 2) == 1;
}

for(let count =0; count<=100;count++){
 count%2==0? console.log(`${count} is even`):console.log(`${count} is odd`);
 ;
}

var oddOrEven = function(num) {
    if (num % 2 == 0) {
		return 'even';
	} else {
		return 'odd';
	};
};