document.getElementById("myCheckBoxID").checked = true; // Check
document.getElementById("myCheckBoxID").checked = false;// Uncheck
const checkbox = document.getElementById('myCheckbox')
checkbox.addEventListener('change', (event) => {
if (event.currentTarget.checked) {
alert('checked');
} else {
alert('not checked');
}
})
//HTML INPUT VVVVVVVVVVVVVV
<input id="myCheckbox" type="checkbox" /><input type='checkbox' onchange='handleChange(this);'> Checkbox
function handleChange(checkbox) {
if(checkbox.checked == true){
document.getElementById("submit").removeAttribute("disabled");
}else{
document.getElementById("submit").setAttribute("disabled", "disabled");
}
}