s, you don't need to import any separate Javascript file, everything is inside material.min.js.
                </p>
                <p>
					<div class="radio">
						<label>
							<input type="radio" name="optionsRadios">
							Radio is off
						</label>
					</div>
					<div class="radio">
						<label>
							<input type="radio" name="optionsRadios" checked="true">
							Radio is on
						</label>
					</div>
					<div class="radio">
						<label>
							<input type="radio" name="optionsRadiosDisabl