AlaP,
<?xml version="1.0" encoding="UTF-8"?>
<recipe type="dessert">
<Receipt>
<Field>
<Text>значение1</Text>
</Field>
<Field>
<Text>значение2</Text>
</Field>
</Receipt>
</recipe>
<script>
var txtString ='';
var textfield = document.getElementsByTagName( 'Field' );
for( var b = 0; b < textfield.length; b++ ) {
txtString += textfield[b].getElementsByTagName('Text')[0].textContent + " \n ";
}
alert(txtString)
</script>