const obj = {
    name: 'jimmy',
    age: 18
}
const entries = Object.entries(obj)
console.log("entries:", entries)

const obj = {
    name: 'jimmy',
    age: 18
}
const entries = Object.entries(obj)
console.log(entries)   // [Array(2), Array(2)]

const fromEntries = Object.fromEntries(entries)
console.log(fromEntries)   // {name: "jimmy", age: 18}

const map = new Map()
map.set('name', 'jimmy')
map.set('age', 18)
console.log(map)   // {'name' => 'jimmy', 'age' => 18}

const obj = Object.fromEntries(map)
console.log(obj)   // {name: "jimmy", age: 18}

const course = {
    math: 80,
    english: 85,
    chinese: 90
}
const res = Object.entries(course).filter(([key, val]) => val > 80)
console.log(res)  // [ [ 'english', 85 ], [ 'chinese', 90 ] ]
console.log(Object.fromEntries(res))  // { english: 85, chinese: 90 }

const queryString = "?name=jimmy&age=18&height=1.88";
const queryParams = new URLSearchParams(queryString);
const paramObj = Object.fromEntries(queryParams);
console.log(paramObj);  // { name: 'jimmy', age: '18', height: '1.88' }