console.log(!!"")
console.log(typeof (async function(){}))
console.log(typeof Promise.resolve())
console.log([1,2,3].find(x => x > 1))
console.log([1,2,3].includes(2))
Object.keys({a:1, b:2})
console.log([1,2,3].some(x => x > 2))
Object.values({a:1, b:2})
console.log([1,2,3].every(x => x > 0))
console.log([1,2,3].filter(x => x > 1))