| Question | Answer | % Correct |
|---|---|---|
| const x = 1n;
console.log(x + 1); | Uncaught TypeError | 43%
|
| let x = 1;
console.log(x++); | 1 | 39%
|
| console.log(![]); | false | 39%
|
| console.log(0 || 5); | 5 | 37%
|
| console.log(-1 / 0); | -Infinity | 36%
|
| console.log(011); | 9 | 34%
|
| const x = "x" - 1;
const y = "y" - 1; console.log(x == y); | false | 31%
|
| console.log(! 5 < 6); | true | 28%
|
| const x = {
a: 1, a: 2 }; console.log( JSON.stringify(x) ); | {"a":2} | 22%
|
| console.log("" + Array(10)); | ,,,,,,,,, | 18%
|
| console.log(5 - 3 + "e2" - 1); | 199 | 15%
|
| let x = 3, y = 5;
console.log(x ^ y); | 6 | 15%
|
| let s = "";
for (let i = 5; i--, i > 0; ) s += i; console.log(s); | 4321 | 9%
|
| let s = "";
for (const i in [0,0,0]) s += 1 + i; console.log(s); | 101112 | 7%
|
| // WARNING: hard
let s = ""; for (let i = 5, j = 0, r = 1; j += r *= j < i || -1;) s += j; console.log(s); | 123454321 | 6%
|