Check if inputs are empty using jQuery

Question

I have a form that I would like all fields to be filled in. If a field is clicked into and then not filled out, I would like to display a red background.

Here is my

Answer 1

The keyup event will detect if the user has cleared the box as well (i.e. backspace raises the event but backspace does not raise the keypress event in IE)

    $("#inputname").keyup(function() {

if (!this.value) {
    alert('The box is empty');
}});