JQuery operate xml

msg is

<?xml ?>

<Parameters>

　　<WorkflowName>...</WorkflowName>

</Parameters>

<Parameters>

...

</Parameters>

var arr=$(msg).find(‘Parameters‘);
???????????var workflowName="";
???????????$(arr).each(function(){
???????????workflowName+=$(this).children("WorkflowName").text()+";"
???????????});