Dynamic HTML Radio Button Using JavaScript

By the end of this JavaScript tutorial, you’re going to learn how to create HTML input radio buttons dynamically as well as how to group them.

You’re also going to learn how to save and retrieve selected radio button data using Local Storage.

• Define An HTML Wrapper Element
• Create Data Model Object
• Add Label of Input Radio Buttons Dynamically
• Add Input Radio Buttons Dynamically
• Style The Radio Button
• Group The Radio Buttons
• Get Selected Radio Button State
• Save Data To Local Storage
• Get Saved Data From Local Storage

Define An HTML Wrapper Element

Declare an HTML wrapper div element with an id called radioButtonsWrapElem in the index.html file, which is where we will be adding radio buttons dynamically using JavaScript.

<div id="radioButtonsWrapElem">
</div>

Then, create a DOM reference to the div element inside the JavaScript code.