Assign Radio Form For Free

This process can be automated by looping through an array that contains all the possible values and creating a new radio button element for each item in the array. To dynamically create radio button using an array, use the concept of createElement() and appendChild().

If you want to assign a checked initial value to your radio button, you can use the HTML checked attribute. In the example below, we use a <form> tag and add <div> elements within it.

This is how we are able to set the default checked value of a radio button: We initialize the state variable to the value of the specific radio button. We set the checked prop on each radio button to conditionally check whether the state variable is equal to its value.

We can define a group for radio buttons by giving each radio button the same name. As and when the user selects a particular option from this group, other options are deselected. Following is an example of radio buttons with different names within a form.

If you want to assign a checked initial value to your radio button, you can use the HTML checked attribute. In the example below, we use a <form> tag and add <div> elements within it.

Value. The value attribute is a string containing the radio button's value. The value is never shown to the user by their user agent. Instead, it's used to identify which radio button in a group is selected.

A radio button or option button is a graphical control element that allows the user to choose only one of a predefined set of mutually exclusive options. The singular property of a radio button makes it distinct from checkboxes, where the user can select and unselect any number of items.

It is generally used in HTML form. If we want to deselect any option we have to select another option in the case of a radio button. Approach: To add a radio buttons in a webpage, the HTML provides a <input> element with type attribute is set to ?radio?.

The radio form field type provides radio buttons to select different options. If the field has a saved value this is selected when the page is first loaded. If not, the default value (if any) is selected.default (optional) is the default radio button item value.

Each radio button is normally accompanied by a label describing the choice that the radio button represents. The choices are mutually exclusive; when the user selects a radio button, any previously selected radio button in the same group becomes deselected (making it so only one can be selected).