下拉验证

Posted 2021-02-25

requires that a pulldown \"program1\" in form \"freshmen\" be set to anything but the first value in the option list. \r\n\r\nrequires jquery validate: http://docs.jquery.com/Plugins/Validation

jQuery.validator.addMethod(
  			"selectNone",
  				function(value, element) {
				//alert(element.options.selectedIndex);
    				//if (element.value == "blank"){
					if (element.options.selectedIndex == "0"){
      				return false;
    				}
    				else return true;
				},
  				"Please select an option."
			);
 
			$(document).ready(function(){ 
 
 
			$("#freshmen").validate({
				  rules: { 
	      			program1: { 
	        			selectNone: true 
    			 	} 
				  }
 
			});