JS 柯里化

    
	$.validator.format = function(source, params) {
        if ( arguments.length === 1 ) {
            return function() {
                var args = $.makeArray(arguments);
                args.unshift(source);
                return $.validator.format.apply( this, args );
            };
        }
        if ( arguments.length > 2 && params.constructor !== Array  ) {
            params = $.makeArray(arguments).slice(1);
        }
        if ( params.constructor !== Array ) {
            params = [ params ];
        }
        $.each(params, function(i, n) {
            source = source.replace(new RegExp("\\{" + i + "\\}", "g"), n);
        });
        return source;
    };
	
	messages: {
            required: "This field is required.",
            maxlength: $.validator.format("Please enter no more than {0} characters."),
            minlength: $.validator.format("Please enter at least {0} characters."),
            rangelength: $.validator.format("Please enter a value between {0} and {1} characters long."),
            range: $.validator.format("Please enter a value between {0} and {1}."),
            max: $.validator.format("Please enter a value less than or equal to {0}."),
            min: $.validator.format("Please enter a value greater than or equal to {0}.")
        }