[Greasemonkey] evaluate in evaluate results?

[yosho]

Put a period in front of the expression to narrow the scope.

i.e. ".//FONT"


--- chayes at antenna.nl wrote:

> 
> 
> Dear greasies,
> I was hoping to use evaluate() on the table-node I found with evaluate(), but it
> seems to be looking in a wider context.
> 
> Eventually I want to pick several elements out the table-node.
> 
> //get message tables
> var messages =    document.evaluate("//BODY/TABLE[2]/TBODY/TR/[etc]/TABLE",
>             document,
>             null,
>             XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
>             null);
> messages_count=0;
> while(message= messages.snapshotItem(messages_count))
>  { alert(messagez_count+' = '+message.innerHTML);
>    // shows a single message, as expected
> 
>  inside_messages =
>             document.evaluate("//FONT",
>             messagze,
>             null,
>             XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
>             null);
>  if (inside_messages.snapshotItem) //is this a good test?
>  { io=0;
>    while(ins_message= inside_messages.snapshotItem(io))
>    {io++;
>     alert(ins_message.innerHTML);
>      //the list of results seem to be coming out of a higher level table
>      // and same list is repeated
>   }
>  }
> 
> messages_count++;
> }
> 
> It may be worth mentioning that I did another evaluate higher in the code, but
> with different variable names.
> 
> Thank you for pointing me in the right direction, or more examples of finding
> nodes within a resultset.
> 
> 
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