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How to dynamically add content to a div and store the content to a cookie via JavaScript

April 14th, 2008  |  by Knix  |  published in javascript

function addContent(divName, content) {
document.getElementById(divName).innerHTML = content;
}
function setCookie(c_name,value,expiredays) {
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ “=” +escape(value)+((expiredays==null) ? “” : “;expires=”+exdate.toGMTString());
}
function getCookie(c_name) {
if (document.cookie.length>0) {
c_start=document.cookie.indexOf(c_name + “=”);
[...]

Simulate a button click via JavaScript

March 5th, 2008  |  by Knix  |  published in javascript

There is a rare need for this type of functionality but I have found myself in a couple of situations where I needed it. Here is a quick demo of a button click that is simulated from another event handler. In this case, the button click is invoked by checking a checkbox.

Demo
Check the [...]

JavaScript to select all or none of the checkboxes in a form

February 28th, 2008  |  by Knix  |  published in javascript

function selectToggle(toggle, form) {
var myForm = document.forms[form];
for( var i=0; i < myForm.length; i++ ) {
if(toggle) {
myForm.elements[i].checked = “checked”;
[...]

Form verification via JavaScript

February 27th, 2008  |  by Knix  |  published in javascript

function verifyForm(form) {
var userName = form.name.value;
var userEmail = form.email.value;
var success = 1;
if (!userName) {
document.getElementById(“usernameMsg”).style.display = “”;
form.name.style.backgroundColor = “yellow”;
[...]

How to dynamically add form elements via JavaScript

February 21st, 2008  |  by Knix  |  published in javascript

Not all forms are meant to be static. Sometimes, you want to allow the users to add certain parts of the form as they need them. Here is a nice example of dynamically adding inputs to your form as users need them. In addition, an input limit has been implemented in the [...]

Dynamic Country State Javascript Menu Example

February 9th, 2008  |  by Knix  |  published in javascript

I have found myself in a couple of situations where I needed a simple dynamic javascript menu where the user would make a selection from one select list and depending on what the user selected from the first select list a second list would offer further options. Here is a perfect example:

Demo
Country:

Select country… [...]

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