javascript - How to generate an array using js.

Question

The array should be in the format of shuzu[{a:1,b:1},{a:2,b:2}]. It is to use a loop to generate key values ​​and value values.

習慣沉默 · Answer

var arr = []
for (let i = 0; i < 10; i++) {
    arr.push({a: i, b: i})
}
console.log(arr);

过去多啦不再A梦 · Answer

Owner, take a look

var arr=[]
for(let i=0;i

为情所困 · Answer

Can be easily generated using fill and map of Array:

var arr = (new Array(2)).fill(0).map(function(v, i) {
    return {a: i + 1, b: i + 1};
});

黄舟 · Answer

function createArray(n) {
    return Array.from(new Array(n), (x, i) => ({ a: i + 1, b: i + 1 }));
}

Php8, I'm coming too