nType = elem.nodeType;

// don’t get/set attributes on text, comment and attribute nodes

if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {

return;

}

if ( pass && jQuery.isFunction( jQuery.fn[ name ] ) ) {

return jQuery( elem ) name ;

}

// Fallback to prop when attributes are not supported

if ( typeof elem.getAttribute === “undefined” ) {

return jQuery.prop( elem, name, value );

}

notxml = nType !== 1 || !jQuery.isXMLDoc( elem );

// All attributes are lowercase

// Grab necessary hook if one is defined

if ( notxml ) {

name = name.toLowerCase();

hooks = jQuery.attrHooks[ name ] || ( rboolean.test( name ) ? boolHook : nodeHook );

}

if ( value !== undefined ) {

if ( value === null ) {

jQuery.removeAttr( elem, name );

return;

} else if ( hooks && “set” in hooks && notxml && (ret = hooks.set( elem, value, name )) !== undefined ) {

return ret;

} else {

elem.setAttribute( name, value + “” );

return value;

}

} else if ( hooks && “get” in hooks && notxml && (ret = hooks.get( elem, name )) !== null ) {

return ret;

} else {

ret = elem.getAttribute( name );

// Non-existent attributes return null, we normalize to undefined

return ret &#