Showing Alert Box when we are not selected any check box in Grid and clicked The Delete Button

1) In the Grid if we have multiple Check  Boxes if we wont select any thing we have to show alert box in J Query when we click Delete Button

Solution :

function showAlertBoxWhenNotSelectAnyThing() {
var selected = new Array();
$('input:checked').each(function() {
selected.push($(this).attr('id'));
});

if(selected.length === 0){
  alert("selected atleast one check box to delete data");
}
}