jQuery array creation handling

Question

How to create an array in the form of something like this

objectA{
    list:array(10),
    a:1,
    b:2
}

Answer 1

var b = new Array(10)
var a = {x:b,y:2,z:3};
console.log(a)

Answer 2

var ObjectA = {
list: new Array(10),
a:1,b:2
}