Java Reference
In-Depth Information
productDb[402] = 100;
function getDropDownInfo(element) {
var selected = element[element.selectedIndex];
return {
text: selected.text,
price: productDb[selected.value]
};
}
function getCheckboxInfo(element) {
return {
checked: element.checked,
price: productDb[element.value]
};
}
function getRadioInfo(elements) {
for (var i = 0; i < elements.length; i++) {
if (!elements[i].checked) {
continue;
}
var selected = elements[i];
var label = document.querySelector(
"[for=" + selected.id + "]");
return {
text: label.innerHTML,
price: productDb[selected.value]
};
}
}
function btnUpdateClick() {
var total = 0;
var orderDetails = "";
var theForm = document.form1;
var selectedProcessor = getDropDownInfo(theForm.cboProcessor);
total = selectedProcessor.price;
orderDetails = "Processor : " + selectedProcessor.text;
orderDetails = orderDetails + " $" +
selectedProcessor.price + "\n";
var selectedSsd = getDropDownInfo(theForm.cboSsd);
total = total + selectedSsd.price;
orderDetails = orderDetails + "Solid-state Drive : " +
selectedSsd.text;
orderDetails = orderDetails + " $" + selectedSsd.price + "\n";
var dvdInfo = getCheckboxInfo(theForm.chkDVD);
if (dvdInfo.checked) {
