How does the Lightning Radio Group component work?

How does the Lightning Radio Group component work?

A radio button group that can have a single option selected. A lightning-radio-group component represents a group of radio buttons that permit only one button to be selected at a time. The component renders radio button elements and assigns the same value to the name attribute for each element.

How to create a radio button in Lightning?

To create radio buttons, pass in the following properties to the options attribute. The text that displays next to a radio button. The string that’s used to identify which radio button is selected.

When to override disabled Radio Group in Lightning?

Note that a disabled radio group is always valid. You can override the default message using message-when-value-missing when a radio group is required and no option is selected. This message is displayed when you remove focus from the radio group. To programmatically display error messages on invalid fields, use the reportValidity () method.

How to customize Lightning Radio Group Documentation in Salesforce?

For example, use –sds-c-button-line-height to reduce or increase the whitespace between lines of the text label. When using type=”radio”, customize the component’s styles using SLDS styling hooks from the radio group blueprint. For example, change the radio color background and checkmark.

When to use message when value missing in Lightning?

For example, an error message is displayed when the radio group is marked required and no option is selected. Note that a disabled radio group is always valid. You can override the default message using message-when-value-missing when a radio group is required and no option is selected.

How is a radio button rendered in Lightning?

The component renders radio button elements and assigns the same value to the name attribute for each element. The common name attribute joins the elements in a group. If you select any radio button in that group, any previously selected button in the group is deselected.

How to get field value of lightning-input in Lightning web component?

The default is text. DO YOU KNOW HOW TO GET FIELD VALUE OF LIGHTNING-INPUT IN LIGHTNING WEB COMPONENT USING ONCHANGE EVENT? Let’s create a Lightning web component where all types of lightning-input will be used and will have same onchange handler defined on each of them to fetch the value dynamically and store the same in property defined.

How to use navigation component in Salesforce Lightning?

Use lightning:navigation component to navigate to a given pageReference or to generate a URL from a pageReference. The following example generates a URL to an Account Object home based on its pageReference and sets the URL on an element.

How to know which radio button is selected in Lightning?

And then get it in your JS Controller with event.currentTarget.dataset.value. Then whenever you need to know which radio option is selected, just use the “value” attribute of your component. I found that you get the ‘value’ directly from event.currentTarget and not through the dataset.

How to change Lightning Radio Group selected value programmatically?

If a lightning-radio-group has two options, and a user selects one, I want to programmatically have the UI changed back to the other one.

How to reuse Lightning Radio Group in Salesforce?

To reuse lightning-radio-group in a page or across multiple tabs such as in a Salesforce console app, follow one of these suggestions. Omit the name attribute to enable the component to automatically generate a unique name. Enclose each lightning-radio-group component in a element and provide your own value for name.

How to group options in Lightning Component Library?

To group the options for individual question, the name should be unique. Here QuestionText has been used. You can use QuestionId. We can see in the reference Radio group in Lightning Component Library that options attribute takes label and value as follows.