How to check/uncheck radio button on click?

Question

I want to be able to uncheck a radio button by clicking on it.

So, if a radio button is unchecked, I want to check it, if it is checked, I want to uncheck it.

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Answer 1

 var checked = {};
    $('.desectable-radio').each(function (index) {
        checked[index] = this.checked;
        $(this).click(function () {
            if (checked[index])
                this.checked = false;
            for (var i in checked) {
                checked[i] = false;
            }
            checked[index] = this.checked;
        });
    });