Spilt a name which has more than one space

I have a name as :  ashish Kumar Panday

I just want first name into one sring and rest into other as :  F Name=ashish

lName = Kumar Panday

I am trying with this code but it not working

var name="Alexandra De Poorter";

var splitName=name.toString().indexOf (' ');

var aspiltName=name.split (9);

var fname=aspiltName[0];

var LName=aspiltName[1];+ ",";

//~ var LName=name.toString().split (splitName,name.length) + ",";

var finalname=LName + fname;