Create custom list from main list in javascript

Question

I have a list object like below

[{a:"0"},{a:"1"},....{a:"39"}]

I want to have a list like the one below.I need a result like the below.

{
  "list1":[{a:"0"},{a:"1"},{a:"2"},{a:"3"}],
  "list2":[{a:"4"},{a:"5"},{a:"6"},{a:"7"}],
  .
  .
  .
  "list10":[{a:"36"},{a:"37"},{a:"38"},{a:"39"}],
}

Thanks for help me.

Answer 1

You can do that using slice() data...

const arr = [{a:"0"},{a:"1"},{a:"2"},{a:"3"},{a:"4"},{a:"5"},{a:"6"},{a:"7"}];

const arr2 = [];

var i,j;
for (i = 0; i < arr.length; i = i + 4) {
    arr2.push(arr.slice(i, i + 4));
}
    
console.log(arr2);