JavaScript Programming JavaScript > Code Examples A Simple Parallel Array Lookup A Simple Parallel Array Lookup <HTML> <HEAD> <TITLE>Parallel Array Lookup - Happy Codings :-) JavaScript Code Examples</TITLE> <SCRIPT LANGUAGE="JavaScript"> // the data var regionalOffices = new Array("New York", "Chicago", "Houston", "Portland") var regionalManagers = new Array("Jack Hadson", "Jenny Blue", "Jones William", "Jhon Cook") var regOfficeQuotas = new Array(300000, 250000, 350000, 225000) // do the lookup into parallel arrays function getData(form) { var i = form.offices.selectedIndex form.manager.value = regionalManagers[i] form.quota.value = regOfficeQuotas[i] } </SCRIPT> </HEAD> <BODY onLoad="getData(document.officeData)"> <H1>Parallel Array Lookup</H1> <HR> <FORM NAME="officeData"> <P> Select a regional office: <SELECT NAME="offices" onChange="getData(this.form)"> <OPTION>New York <OPTION>Chicago <OPTION>Houston <OPTION>Portland </SELECT> </P><P> The manager is: <INPUT TYPE="text" NAME="manager" SIZE=35> <BR> The office quota is: <INPUT TYPE="text" NAME="quota" SIZE=8> </P> </FORM> </BODY> </HTML>