<script>
var s = "" ;
var arrayA=new Array(1,2,3,4,5);
var stringB="aaa★dwer★xx★dfsde★erwfd★sadf";
var arr = stringB.split("★") ;
var iLen = arrayA.length>arr.length?arr.length:arrayA.length ;
for (var i=0;i<iLen;i++){
s +=arr[i]+arrayA[i] ;
}
if (arr.length>arrayA.length)
for (var i=iLen;i<arr.length;i++)
s +=arr[i] ;