HTML CSS JavaScript Demo: Radio Buttons -- Version 3

Published: 14 January 2022
on channel: Thomas Blum

In this video we take a third look at an HTML page with a set of radio buttons (inputs of type radio). The CSS and JavaScript files are separate from the HTML file. Furthermore, the radio buttons do not appear in design (in the HTML page), rather the JavaScript code adds them dynamically to the HTML page. We loop over an array of choices (sizes in this case), and use createElement to make a new input element. Then we use setAttribute to establish the name, type, id, value, and onclick attributes. Then we use appendChild to add the new input element to a division div on the page. We follow that by adding the label element and a break element. The event handlers are similar to the previous versions.

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