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A radio button or option button [citation needed] is a graphical control element that allows the user to choose only one of a predefined set of mutually exclusive options. [1] The singular property of a radio button makes it distinct from checkboxes , where the user can select and unselect any number of items.
1 Example HTML code. 2 Requested move. 8 comments Toggle Requested move subsection. 2.1 Survey. 2.2 Discussion. ... 6 This radio button does not operate a radio. 1 ...
Normally these buttons are light grey in color and turn blue when pressed. The button with keyboard focus (selectable with the spacebar) appears with a blue glow surrounding it. The default button in an active window (selectable with the return key) animates between a bright blue and a darker blue (the same color as a pressed button).
A webform, web form or HTML form on a web page allows a user to enter data that is sent to a server for processing. Forms can resemble paper or database forms because web users fill out the forms using checkboxes, radio buttons, or text fields.
In HTML (where frame has another meaning, referring to an individually scrollable portion of a page), this kind of grouping box is called a fieldset after the HTML element of the same name. In the adjacent image, the top frame has no title. The two frames below have titles, and a radio button outside them, presumably to select one or the other.
Using the history of a page, it is possible to generate a diff between any two versions – select the left radio button for the older version, the right radio button for the newer version, and click Compare selected revisions. While editing a page, the Show changes button displays the changes you
In some uses, hexadecimal color codes are specified with notation using a leading number sign (#). [1] [2] A color is specified according to the intensity of its red, green and blue components, each represented by eight bits. Thus, there are 24 bits used to specify a web color within the sRGB gamut, and 16,777,216 colors that may be so specified.
Setting or clearing ("unclicking") a checkbox changes the checkbox's state with no other side-effects.Violating this guideline by associating additional actions with the change of state frequently confuses users, because they are used to configuring data in entry controls such as text boxes, radio buttons, and checkboxes and then invoking an action control such as a push button to initiate the ...