var numbers = [4, 9, 16, 25];

function myFunction() {
    x = document.getElementById("demo")
    x.innerHTML = numbers.map(Math.sqrt);
}

2,3,4,5

let r = res.map(item => {
    return {
        title: item.name,
        sex: item.sex === 1? '男':item.sex === 0?'女':'保密',
        age: item.age,
        avatar: item.img
    }
})

const users=res.items.map(item => ({
    url: item.html_url,      
    img: item.avatar_url,      
    name: item.login,
    })
);