Write an Article (form name attribute="submit_article")
Bookmark A Page (form name attribute="submit_bookmark")
Demonstrating the use of document.forms[name] |
Demonstrating the use of document.forms[index] |
function showFormElements(oForm) {
var cnt = 0;
var msg = "Form with 'name' attribute='" + oForm.name + "'";
var str = "\nThe elements are: \n\n";
for (i = 0; i < oForm.length; i++) {
cnt ++;
str += oForm.elements[i].tagName + " with 'name' attribute='" + oForm.elements[i].name + "'\n";
}
msg += " has " + cnt + " elements. \n" + str;
alert(msg);
}
function showFormData(oForm) {
var msg = "The data that you entered for the form with 'name' attribute='" + oForm.name + "': \n";
for (i = 0; i < oForm.length, oForm.elements[i].getAttribute("type") !== 'button'; i++) {
msg += oForm.elements[i].tagName + " with 'name' attribute='" + oForm.elements[i].name + "' and data: ";
if(oForm.elements[i].value == null || oForm.elements[i].value == '') {
msg += "NOT SET \n";
} else {
msg += oForm.elements[i].value + "\n";
}
}
alert(msg);
}
function showElementsForTargetForm(targetForm, element_type) {
var cnt = 0;
var msg = "Form with 'name' attribute='" + targetForm.name + "'";
var str = '\n';
for (i = 0; i < targetForm.length; i++) {
if(targetForm.elements[i].tagName == element_type) {
cnt ++;
str += "\nThe " + element_type + " element with 'name' attribute='" + targetForm.elements[i].name + "'\n";
}
}
msg += " has " + cnt + " " + element_type + " element(s)." + str;
alert(msg);
}
function showElementsForTargetFormName(oForm) {
var targetFormName = oForm.elements["form_name"].value;
var element_type = oForm.elements["element_type"].value;
var targetForm = document.forms[targetFormName];
showElementsForTargetForm(targetForm, element_type);
}
function showElementsForTargetFormNumber(oForm) {
var targetFormNumber = oForm.elements["form_number"].value;
var element_type = oForm.elements["element_type"].value;
var targetForm = document.forms[targetFormNumber];
showElementsForTargetForm(targetForm, element_type);
}
Download the code here: javascript-forms-example-2.zip
Back to article:Using JavaScript to access form objects when there are multiple forms