getting value from radio button javascript code example

Example 1: get radio button value javascript

document.querySelector('input[name="rate"]:checked').value;

Example 2: getting value from radio button javascript

var elements = document.getElementsByName('radioButton');
    var checkedButton;
    console.log(elements);
    elements.forEach(e => {
        if (e.checked) {
            //if radio button is checked, set sort style
            checkedButton = e.value;
        }
    });

Example 3: javascript on click radio button get value

if (document.getElementById('r1').checked) {
  rate_value = document.getElementById('r1').value;
}

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Misc Example