What is an indeterminate checkbox?

What is an indeterminate checkbox?

The indeterminate property sets or returns whether the state of a checkbox has changed. Checkboxes actually has three states: true, false and indeterminate which indicates that a checkbox is neither “on” or “off”. A checkbox cannot be set to indeterminate state by an HTML attribute – it must be set by a JavaScript.

Can I use checkbox indeterminate?

You can’t make a checkbox indeterminate through HTML. There is no indeterminate attribute. It is a property of checkboxes though, which you can change via JavaScript.

What is an indeterminate state?

:indeterminate is a pseudo-class selector in CSS named for a state that is neither checked nor unchecked. It’s that in-between state that we might consider the “Maybe” between “Yes” and “No” options. The state is not fully determined, hence the name: indeterminate.

How checkbox can be checked off?

To check a check box with a touch screen, tap your finger on the check box. If a box is checked, it can be unchecked by clicking or tapping the box again.

How do I check if a checkbox is checked in Javascript?

Checking if a checkbox is checked

1. First, select the checkbox using the selecting DOM methods such as getElementById() or querySelector() .
2. Then, access the checked property of the checkbox element. If its checked property is true , then the checkbox is checked; otherwise, it is not.

Is there such a thing as an indeterminate checkbox?

There is no indeterminate attribute. It is a property of checkboxes though, which you can change via JavaScript. The indeterminate state is visual only. The checkbox is still either checked or unchecked as a state. That means the visual indeterminate state masks the real value of the checkbox, so that better make sense in your UI!

Are there three states a checkbox can be in?

Visually, there are actually three states a checkbox can be in: checked, unchecked, or indeterminate. They look like this: Here are some things to know about indeterminate checkboxes:

Can a checkbox be set as neither checked nor unchecked in HTML?

Primer: An HTML checkbox can be set as indeterminate, which displays it as neither checked nor unchecked. Even in this indeterminate state, there is still an underlying boolean checked state.

How does the checkbox work in Firefox and IE?

In Firefox, clicking either of the checkboxes once causes them to toggle their initial underlying checked state. In IE, the checked property is left alone for the first click. I would like all browsers to behave the same, even if this means additional javascript.