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isSelected

Will return true or false whether or not an <option> or <input> element of type checkbox or radio is currently selected.

Usage

$(selector).isSelected()

Examples

<select name="selectbox" id="selectbox">
    <option value="John Doe">John Doe</option>
    <option value="Layla Terry" selected="selected">Layla Terry</option>
    <option value="Bill Gilbert">Bill Gilbert"</option>
</select>

it('should detect if an element is selected', () => {
    let element = $('[value="Layla Terry"]');
    console.log(element.isSelected()); // outputs: true

    element = $('[value="Bill Gilbert"]')
    console.log(element.isSelected()); // outputs: false
});