warn user if all checkboxes are unchecked

Question

I have a form with a series of checkboxes. I want to warn the user, after they hit submit, if ALL of the checkboxes are unchecked. I\'m using the following code to report all

Answer 1

Try this:

My html:

Option 1

Option 2

Option 3

Option 4



​

My JQuery Code:

jQuery(".testall").click(function () {
    if (jQuery(".checkbox:checked").length == 0) { alert("no riders"); }
});

Live example: http://jsfiddle.net/webwarrior/NJwv4/9/

This will give you the option to check only certain checkboxes.

hth, Shaun