Radio buttons are defined using the tag with type="radio" . To group them (so only one can be selected at a time), they must share the same name attribute.
This is the most modern and concise method. javascript
function getSelectedValue() { const selected = document.querySelector('input[name="choice"]:checked'); if (selected) { console.log("Selected value:", selected.value); } else { console.log("No option selected."); } } Use code with caution. Copied to clipboard 3. Creating Radio Buttons Dynamically
You can also create and add radio buttons to the DOM entirely through JavaScript. javascript
You can use the DOM Selector API to find which radio button is currently checked.
Option 1 Option 2 Submit Use code with caution. Copied to clipboard 2. Accessing the Selected Radio Button
const newRadio = document.createElement("input"); newRadio.type = "radio"; newRadio.name = "choice"; newRadio.value = "Option 3"; newRadio.id = "radio3"; const label = document.createElement("label"); label.htmlFor = "radio3"; label.innerText = "Option 3"; document.getElementById("myForm").appendChild(newRadio); document.getElementById("myForm").appendChild(label); Use code with caution. Copied to clipboard 4. Key Attributes for Radio Buttons HTML attribute value - MDN Web Docs
