/*
JavaScript Bible, Fourth Edition
by Danny Goodman
John Wiley & Sons CopyRight 2001
*/
Parallel Array Lookup II
// the data
var regionalOffices = new Array("New York", "Chicago", "Houston", "Portland")
var regionalManagers = new Array("Shirley Smith", "Todd Gaston", "Leslie Jones", "Harold Zoot")
var regOfficeQuotas = new Array(300000, 250000, 350000, 225000)
// do the lookup into parallel arrays
function getData(form) {
// make a copy of the text box contents
var inputText = form.officeInp.value
// loop through all entries of regionalOffices array
for (var i = 0; i < regionalOffices.length; i++) {
// compare uppercase versions of entered text against one entry
// of regionalOffices
if (inputText.toUpperCase() == regionalOffices[i].toUpperCase()) {
// if they're the same, then break out of the for loop
break
}
}
// make sure the i counter hasn't exceeded the max index value
if (i < regionalOffices.length) {
// display corresponding entries from parallel arrays
form.manager.value = regionalManagers[i]
form.quota.value = regOfficeQuotas[i]
} else { // loop went all the way with no matches
// empty any previous values
form.manager.value = ""
form.quota.value = ""
// advise user
alert("No match found for " + inputText + ".")
}
}
Parallel Array Lookup II
Enter a regional office:
The manager is:
The office quota is: