if($('input[name="make[]"]:checked').length > 0){ console.log('One or more checkboxes are checked'); }
//This are the list of checkbox(2 selected, 2 unselected)
<input name="numchec" type="checkbox" value="1" checked/>
<input name="numchec" type="checkbox" value="2" />
<input name="numchec" type="checkbox" value="3" checked/>
<input name="numchec" type="checkbox" value="4" />
//Jquery Code
$(document).ready(function(){
var data=$('input[name=numchec]:checked').map(function(err, el) {
return $(el).val();
}).get();
alert(data)
});