SOURCE

var len = 100;
var arr = new Array(len).fill(1);
for(var i=0;i<len;i++){
arr[i] = i;
}


var arrnew = new Array();

for(var i=0;i<len;i++){
    //console.log(arr[i])
    if(i % 10 == 0){
        arrnew.push(arr[i]);
    }
}

console.log(arrnew);