Select a single radio button containing values that can change dynamically

<input type="radio" on-click="checkDefaultLanguage" id="checkbox"  >
[[names(name)]]

This custom radio input field contains dynamic values and I am attempting to create a functionality where only one radio button can be selected at a time while deselecting others. However, I have not been able to find any relevant information on how to achieve this. The solutions I have come across either involve using the name attribute or static input fields.

Here is my JavaScript code:

private checkDefaultLanguage() {
        const checkboxes = <HTMLInputElement>this.querySelector('#checkbox');

        checkboxes.addEventListener('click', () => {
            if (checkboxes.checked) {
              //How can I ensure that only one radio button is selected at a time?
            }
        });
    }

Answer №1

All you need to do is use the name attribute on the input, and all inputs will automatically be assigned to one group.

<form>
    <fieldset>
        <legend>Choose a favorite color</legend>

        <div>
            <input type="radio" id="red" name="color" checked />
            <label for="red">Red</label>
        </div>

        <div>
            <input type="radio" id="blue" name="color" />
            <label for="blue">Blue</label>
        </div>

        <div>
            <input type="radio" id="green" name="color" />
            <label for="green">Green</label>
        </div>

    </fieldset>
</form>

Answer №2

To be honest, I'm a bit confused about your goal here, but one approach could be to pass the clicked button to the function.

<input type="radio" on-click="checkDefaultLanguage(this)" id="checkbox"  >

Within your function, you could loop through all checkboxes and uncheck them before finally checking the one passed to the function.

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