javascript remove all the selected checkedbox code example

Example 1: click checkbox 1 to uncheck checkbox 2

function ChkBoxClicked() {
    $("#chkBoxList_0").bind('click', function () { $("#chkBoxList_1").removeAttr('checked'); });
    $("#chkBoxList_1").bind('click', function () { $("#chkBoxList_0").removeAttr('checked'); }); 

    if (($('#chkBoxList_0').is(':checked')) || ($('#chkBoxList_1').is(':checked'))) {
        if ($('#chkBoxList_0').is(':checked')) { alert('chkBoxList_0'); return false; }
        if ($('#chkBoxList_1').is(':checked')) { alert('chkBoxList_1'); return false; }
    } else {
        alert('non of the chkBoxList'); return false;
    }
}

Example 2: click checkbox 1 to uncheck checkbox 2

function radioSwitch(opposite) {
    document.getElementById(opposite).checked = false;
}
document.getElementById("radio-1").addEventListener("click",
    function() { radioSwitch("radio-2"); });
document.getElementById("radio-2").addEventListener("click",
    function() { radioSwitch("radio-1"); });