jquery to stop a form if input field is not filled code example
Example 1: jquery don't empty specific form field after submit
form.find('textarea,input,select').not('input[name="INPUT_NAME_1"],input[name="INPUT_NAME_2"]').val('');
Example 2: jquery don't empty specific form field after submit
// Bind an event handler to the "click" JavaScript event
$('#clear').click(function(){
// Selects all elements of type text and clear all
$('#parent > input:text:not(".ignore")').val('');
// For excluding Multiple inputs
$("input:text:not('#objective_time_period, #subjective_time_period')").val('');
});
Example : http://jsfiddle.net/3zVyv/1/