Block Out Checkbox Form For Free

Checkboxes in HTML forms are created using <input type = "checkbox". To disable a checkbox, use the disabled attribute in the <input> tag.

For enabling or disabling the checkbox in HTML, the ?disabled? attribute, the CSS ?pointer-events? property, and the jQuery ?attr()? method is utilized. The same task can be accomplished using JavaScript and jQuery ?attr()? method. It truly depends on the situation which method suits you best.

The CheckBox options can be restricted from being changed to the checked or unchecked state by using the CheckBoxClick event when the CheckBox cell is clicked. In the given sample, a message box shows up while clicking on the restricted CheckBox cell.

To disable a checkbox, use the disabled attribute in the <input> tag.

In the above code snippet: Define a function named ?readOnly()?. In its definition, the ?checkbox? variable applies the ?getElementById()? method to access the given checkbox using its id ?field1?. Lastly, set the status of the ?disabled? property by specifying its value ?true? which disables the accessed checkbox.

CSS input[type="checkbox"]:nth-child(2) { opacity: 0.5; pointer-events: none; } input[type="checkbox"]:nth-child(3) { position: relative; pointer-events: none; } input[type="checkbox"]:nth-child(3):before { content: ""; position: absolute; left: 0%;

For enabling or disabling the checkbox in HTML, the ?disabled? attribute, the CSS ?pointer-events? property, and the jQuery ?attr()? method is utilized. The same task can be accomplished using JavaScript and jQuery ?attr()? method.

One can either set readonly="readonly" or disabled="disabled". Those two have only one difference - when form with readonly element is submitted, the element data is present in the POST body. On the other hand a disabled element is not present in POST body as if this element weren't there.

Practically speaking, this is the solution that many of us are looking for. How to make the checkbox un-changeable (answer: disable it) but still preserve the value of whether it is checked or not upon save (answer: use a hidden input type). Make sure to only add the hidden input if you have also disabled the checkbox.

5 Answers. Programatically this is quite simple: Disable all checkboxes, except for the first one, at runtime. When a checkbox is checked, disable it after that, and enable the next checkbox.