checkbox element value is checked but not code example
Example 1: How to check whether a checkbox is checked in jQuery?
if(document.getElementById('on_or_off_checkbox').checked) {
}
if($('#on_or_off_checkbox').is(':checked')){
}
Example 2: check if not checked vanila js
<input type="checkbox" id="check">
<a href="#" onclick="check()">click</a>
<button onclick="check()">button</button>
<script>
function check() {
if (document.getElementById('check').checked) {
alert("checked");
} else {
alert("Not checked.");
}
}
</script>