Check condtion in jquery.

Question

if ($("#CategoryImages").val() == "") {

}

else if ($("#Name").val() == "") {

} else {

swal({

title: "Confirmation?",

text: "Are you sure you want to Upload File?",

type: "warning",

confirmButtonClass: "btn-danger",

showCancelButton: true,

confirmButtonText: "Yes",

closeOnConfirm: false

},

 

it's me validation code. i have upload a image file it's working but i have upload other file like (video) it's not properly working .Bcz #CategoryImages").val() == "" it's null in case image and i have selected video file it's not null so else if call .

Please provide solution