# Yahoo! UI Library

### datatype 3.0.0b1

Yahoo! UI Library > datatype > datatype-xml-format.js (source view)
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    /**
     * Format XML submodule.
     *
     * @module datatype
     * @submodule datatype-xml-format
     */

    /**
     * XML submodule.
     *
     * @module datatype
     * @submodule datatype-xml
     */

    /**
     * DataType.XML provides a set of utility functions to operate against XML documents.
     *
     * @class DataType.XML
     * @static
     */
    var LANG = Y.Lang;

    Y.mix(Y.namespace("DataType.XML"), {
        /**
         * Converts data to type XMLDocument.
         *
         * @method format
         * @param data {XMLDoc} Data to convert.
         * @return {String} String.
         */
        format: function(data) {
            try {
                if(!LANG.isUndefined(XMLSerializer)) {
                    return (new XMLSerializer()).serializeToString(data);
                }
            }
            catch(e) {
                if(data && data.xml) {
                    return data.xml;
                }
                else {
                    Y.log("Could not format data " + Y.dump(data) + " from type XML", "warn", "datatype-xml");
                    return (LANG.isValue(data) && data.toString) ? data.toString() : "";
                }
            }
        }
    });

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