Space1000

javascript push into array while continue to loop it

    var a = [1,2,3]
    for(var i = 0; i < a.length; i++)
    {
        if(a[i] == 2)
        {
            a.push(4)
        }
        console.log(a[i])
    }
    console.log(a)

Output:

1
2
3
4
[ 1, 2, 3, 4 ]