| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | 1 69 6 12 3 63 147 24 42 | function includes(xs, v) {
if (v !== v) { //NaN
for (let x of xs) {
if (x !== x) {
return true;
}
}
} else {
for (let x of xs) {
if (x === v) {
return true;
}
}
}
return false;
}
export default includes;
|