How do you create a conditional form in HTML?

How do you create a conditional form in HTML?

1. Step 1: Create a Static Form. The first step is simply to create a form that includes all possible fields.
2. Step 2: Hide All Conditional Fields. Only the first field, rating , needs to be visible when the form loads.
3. Step 3: Reveal Fields with jQuery as Needed.

What does conditionally required mean?

Conditionally required fields must be completed if certain conditions are met. For example if an institution responds “Yes” that is has a certain program, then a description of that program may be required. (The trigger for each conditionally required field is outlined in the STARS Technical Manual).

How do you make a field mandatory in CSS?

The :required CSS pseudo-class represents any , , or element that has the required attribute set on it. This pseudo-class is useful for highlighting fields that must have valid data before a form can be submitted. Note: The :optional pseudo-class selects optional form fields.

Which is the easiest method for conditional fields in a form?

The easiest method would be to write your own JavaScript and use jQuery to attach event handlers to the blur and focus events. Then when your callbacks are fired, disable / enable the fields based on your logic. Thanks for contributing an answer to Drupal Answers!

How to create conditional fields in jQuery form?

The magic is using the #ahah / #ajax property with form elements, that way you can define what should trigger the modification and what should be modified as a result, plus it integrates seamlessly with jQuery.

How to add controlled fields in JavaScript form?

When editing a node, the controlled fields are dynamically shown and hidden with JavaScript. #ahah/#ajax allows you to submit the form with AJAX and rebuild it on the server side. Useful when you actually want to add new form elements, typical example in D6 is upload.module.