Stackoverflow - JavaScript Recursion to format lists from XML to HTML

http://stackoverflow.com/q/15148077/918414

by Anov Siradj

HTML

<input type="button" id="parse" value="Parse" />
<ul id="result"></ul>


    





            
            
                        
            
            
            
            
            
            
            
            
            
            




    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
























































































































    
<script>

/* by: thinkingstiff.com
license: http://creativecommons.org/licenses/by-nc-sa/3.0/us/ */

var headerCaption = 'JavaScript Recursion to format lists from XML to HTML',
    headerUri = 'http://stackoverflow.com/q/15148077/918414';
    
document.body.insertAdjacentHTML( 
    'afterBegin',
      '<a href="' + headerUri + '" '
    + 'target="_top" '
    + 'onmouseover="this.style.opacity=\'.95\'" '
    + 'onmouseout="this.style.opacity=\'1\'" '
    + 'style="'
        + 'background-color: black;'
        + 'background-image: linear-gradient( top, rgba( 255, 255, 255, .3), rgba( 255, 255, 255, 0)...

CSS

#result {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

JavaScript

document.getElementById( 'parse' ).addEventListener( 'click', function () {
    var xml = '<ddm>'
                + '<menu0 submenu="true"><name>Welcome</name>'
                    + '<menu1>Home Page</menu1>'
                    + '<menu1>Bulletin</menu1>'
                + '</menu0>'
                + '<menu0 submenu="true"><name>Members\' Area</name>'
                    + '<menu1>Constitution &amp; Bylaws</menu1>'
                    + '<menu1 submenu="true"><name>AGM Minutes</name>'
                        + '<menu2>2012</menu2>'
                        + '<menu2>2011</menu2>'
                    + '</menu1>'
                + '</menu0>'
                + '<menu0>About</menu0>'
            + '</ddm>',
        xmlDoc = new DOMParser().parseFromString( xml, 'text/xml' ),
        html = nodeMarkup( xmlDoc.documentElement );
    document.getElementById( 'result' ).innerHTML = html;
} );

function nodeMarkup( node ){
    if( node.childNodes.length ) {
        var list = '', header = '';
        for( var index = 0; index < node.childNodes.length; index++ ) {
            if( node.childNodes[index].tagName == 'name' ) {
                header = node.childNodes[index].textContent;
            } else {
                list += nodeMarkup( node.childNodes[index] );
            };
        };
        return node.hasAttribute( 'submenu' ) 
            ? '<li>' + header + '<ul>' + list + '</ul></li>'
            : list;
    } else {
        return '<li>' + node.textContent + '</li>';
    };  
};