checkbox checked event javascript code example
Example 1: How to check whether a checkbox is checked in jQuery?
//using plane javascript
if(document.getElementById('on_or_off_checkbox').checked) {
//I am checked
}
//using jQuery
if($('#on_or_off_checkbox').is(':checked')){
//I am checked
}
Example 2: oncheck checkbox javascript
<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");
}
}