How can I check whether a radio button is selected with JavaScript?

Question

I have two radio buttons within an HTML form. A dialog box appears when one of the fields is null. How can I check whether a radio button is selected?

Answer 1

I used spread operator and some to check least one element in the array passes the test.

I share for whom concern.

var checked = [...document.getElementsByName("gender")].some(c=>c.checked);
console.log(checked);