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Constructor

NameTypeDescription
elementIdstringAccepts the ID for the element in the constructor
labelstringAccepts the label for radio in the constructor
optionsArray<OptionElement>Accepts options for radio in the constructor

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Class Usage

Here’s how to create an instance of the RadioButtonElement class:
  • TypeScript
let option1 = new OptionElement("Option 1", "1");

let option2 = new OptionElement("Option 2", "2");

let optionsList = [option1, option2];

let radioButtonElement = new RadioButtonElement(
  "1",
  "Choose an option",
  optionsList
);
In this example, a new instance of RadioButtonElement is created with an elementId “1”, a label “Choose an option”, and a list of two options.

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Key Properties and Methods

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Default Value of the Input Element

The setDefaultValue() method sets the default value in the radio button input, while the getDefaultValue() retrieves it. For example:
  • TypeScript
radioButtonElement.setDefaultValue("1");

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Example

Here is an example that showcases the creation and manipulation of an instance of RadioButtonElement:
  • TypeScript
// Create some options

let option1 = new OptionElement("Option 1", "1");

let option2 = new OptionElement("Option 2", "2");

let optionsList = [option1, option2];

// Create a new instance of RadioButtonElement

let radioButtonElement = new RadioButtonElement(
  "1",
  "Choose an option",
  optionsList
);

// Set and get the default value

radioButtonElement.setDefaultValue("1");