js json转换为二维数组

Object.entries

https://blog.csdn.net/qq_42628504/article/details/107739619

Object.entries()可以将json转换为二维数组(n * 2)格式

const obj = { name: 'xixixi', age: '123' }; 
console.log(Object.entries(obj));  // [['name', 'xixixi'], ['age', '123']]
const map = new Map(Object.entries(obj)); 
console.log(map); // Map {'name' => 'xixixi', 'age' => '123'}