object.Execute

Dim Controller, RemoteScript
Set Controller = WScript.CreateObject("WSHController")
Set RemoteScript = Controller.CreateScript("remote1.js")
RemoteScript.Execute

Do While RemoteScript.Status <> 2 
    WScript.Sleep 100
Loop

var Controller = WScript.CreateObject("WSHController");
var RemoteScript = Controller.CreateScript("remote1.js");
RemoteScript.Execute();
while (RemoteScript.Status != 2) {
    WScript.Sleep(100);
}