ES6 关系运算符

var num1 = 5;
var num2 = 9;

console.log("Value of num1: " + num1);
console.log("Value of num2: " + num2);

var res = num1 > num2;
console.log("num1 greater than num2: " + res);

res = num1 < num2;
console.log("num1 lesser than num2: " + res);

res = num1 >= num2;
console.log("num1 greater than or equal to  num2: " + res);

res = num1 <= num2;
console.log("num1 lesser than or equal to num2: " + res);

res = num1 == num2;
console.log("num1 is equal to num2: " + res);

res = num1 != num2;
console.log("num1 not equal to  num2: " + res);