source: trunk/spip/esqueleto-redcta/plugins/spip-listes_1_9_2/javascript/jquery-dom.js @ 90

// DOM element creator for jQuery and Prototype by Michael Geary
// http://mg.to/topics/programming/javascript/jquery
// Inspired by MochiKit.DOM by Bob Ippolito
// Free beer and free speech. Enjoy!

$.defineTag = function( tag ) {
        $[tag.toUpperCase()] = function() {
                return $._createNode( tag, arguments );
        }
};

(function() {
        var tags = [
                'a', 'br', 'button', 'canvas', 'div', 'fieldset', 'form',
                'h1', 'h2', 'h3', 'hr', 'img', 'input', 'label', 'legend',
                'li', 'ol', 'optgroup', 'option', 'p', 'pre', 'select',
                'span', 'strong', 'table', 'tbody', 'td', 'textarea',
                'tfoot', 'th', 'thead', 'tr', 'tt', 'ul' ];
        for( var i = tags.length - 1;  i >= 0;  i-- ) {
                $.defineTag( tags[i] );
        }
})();

$.NBSP = '\u00a0';

$._createNode = function( tag, args ) {
        var fix = { 'class':'className', 'Class':'className' };
        var e;
        try {
                var attrs = args[0] || {};
                e = document.createElement( tag );
                for( var attr in attrs ) {
                        var a = fix[attr] || attr;
                        e[a] = attrs[attr];
                }
                for( var i = 1;  i < args.length;  i++ ) {
                        var arg = args[i];
                        if( arg == null ) continue;
                        if( arg.constructor != Array ) append( arg );
                        else for( var j = 0;  j < arg.length;  j++ )
                                append( arg[j] );
                }
        }
        catch( ex ) {
                alert( 'Cannot create <' + tag + '> element:\n' +
                        args.toSource() + '\n' + args );
                e = null;
        }
        
        function append( arg ) {
                if( arg == null ) return;
                var c = arg.constructor;
                switch( typeof arg ) {
                        case 'number': arg = '' + arg;  // fall through
                        case 'string': arg = document.createTextNode( arg );
                }
                e.appendChild( arg );
        }
        
        return e;
};