This JavaScript shows how to have a form-based question validated on the submit. It builds the new page which it writes to the window after the answer is submitted. It tells on the new page if you got the answer right or not.

Along with explanation this is a JavaScript that you can use with your forms to make sure that your visitors complete the necessary fields in your forms before the submission.

ResizeObjects is a set of Javascript functions that that enable a user to build a form and dynamically resize the form objects depending on the size of the browser window. It is copyrighted, and distributed under the GNU Public License.

This JavaScript example shows how to create a form that has a portion of the form shown (or hidden) upon certain user events. (radio button selection by the user in this example) Note: Netscape has a problem with embeding a portion of a form inside a DIV/SPAN/LAYER, which is why there are three forms shown here, but once you have the values, its easy enough to pull the information together before running the target of the frame.

This shows another method to verify text boxes input and then put the focus into missing data boxes. It also checks some things to see if the email is "valid" - other tests could be added as determine viable. The alerts can be used, but they conflict with the focus thing going on.

This is a simple JavaScript showing how to select all or none of the items in a select list. All the items are shown (not a drop down list) only to show that they are all selected or none are selected.

This JavaScript demonstrates how to determine which options of a checkbox are selected.

This is a simple JavaScript example for allowing users to select/highlight a textarea content with a click of button.

This is a neat JavaScript that allows you to use your own images to help your visitor's fill out a form. Use images to validate entries as well!

This JavaScript allows your surfers to easily select and copy the contents of your form elements.

This script allows you to add a "select all" feature to your form 'TEXTAREA's, whereby visitors can easily highlight the containing content with a click on a link.

This is a script that closely examines the content of a form box to ensure that the user entered a valid email address. If not, the form submition is canceled, and the surfer prompted to re-enter a valid address.

Use this JavaScript to ensure that e-mail addresses provided in a form submission contain a prefix, the '@' sign, and an appropriate suffix (.com, .net, etc.).

this JavaScript can take the contents of an HTML order form, process them, and display the order for verification even including the grand total. When the user confirms the order by clicking the button, the order is emailed to you by using freedback.com's free form processor cgi script. This script does take a bit of modification, but surely is worth it if you sell anything online.

If you'd like to know where visitors to your site live, add this script to your feedback forms. Users just choose a region, and the second menu changes appropriately, allowing them to choose their country. (If they choose USA, it allows them to select their state)

you can use this JavaScript to ensure that all elements of a form are properly filled out before they can be mailed to you. It uses cookies for the form validation.

Do you ever receive multiple copies of a single form submission? Do your visitors click the submit button over and over, hoping it will hurry up the process? This script will solve the problem by preventing the visitor from submitting the form after the first submission. Basic field validation also included.

Takes a series of known named checkboxes and checks or uncheck them all at once. It can even change each checkbox to the opposite checked or not checked value.

Let Javascript help you receive feedback from your visitors. The script also requires that all fields must be completed before the form is submitted.

Validates an input field to make sure that only a number or character is entered. If you enter a number or a letter everything you can continue on. But, entering another value like an exclamation point (!), an ampersand (&), or a dollar sign ($), you will be prompted with a warning message. It even highlights the incorrect entry field for you.