jQuery.validator.addMethod("domain", function(value, element) {
return this.optional(element) || /^http:\/\/mycorporatedomain.com/.test(value);
}, "Please specify the correct domain for your documents");this.optional(element) 代表什么
return this.optional(element) || /^http:\/\/mycorporatedomain.com/.test(value);
}, "Please specify the correct domain for your documents");this.optional(element) 代表什么
等价于
jQuery.validator.addMethod("domain", function(value, element) {
var result = this.optional(element);
return result || /^http:\/\/mycorporatedomain.com/.test(value);
}