221028 JS 연산자(비교, 논리)

let a = 10;
let b = 20;
let c = 10;
let f = 20;

document.write(a > b, '<br />');
document.write(a < b, '<br />');
document.write(a <= b, '<br />');
document.write(b == f, '<br />');
document.write(a != b, '<br />');
document.write(b === f, '<br />');

 

let a = 10;
let b = 20;
let m = 30;
let n = 40;
let result;

result = a > b || b >= m || m > n;
document.write(result, '<br />');
result = a > b || b >= m || m <= n;
document.write(result, '<br />');
result = a <= b && b >= m && m <= n;
document.write(result, '<br />');
result = a <= b && b <= m && m <= n;
document.write(result, '<br />');
result =! (a > b);
document.write(result, '<br />');

 

let a = 10;
let b = 20;
let m = 30;
let n = 40;
let result;

result = a > b || b >= m || m > n;
document.write(result, '<br />');
result = a > b || b >= m || m <= n;
document.write(result, '<br />');
result = a <= b && b >= m && m <= n;
document.write(result, '<br />');
result = a <= b && b <= m && m <= n;
document.write(result, '<br />');
result =! (a > b)
document.write(result, '<br />');