It works thanks guys :p now to continue untill my next problem :p
friendly greets On Oct 27, 2:31 am, cc <[email protected]> wrote: > What you're actually looking for is something a little more like this, I > think: > > var ew = document.evaluate("//strong[2]", document, null, 9, > null).singleNodeValue; > > if (ew) { > ew = ew.innerHTML * 1; > > alert("Number of earthworms is " + ew); > > } > > This works (or doesn't; I haven't actually tested the whole thing, but > it should work fine) because you can index nodes found by number > (starting at 1). Also, I stuck in the check I suggested in the last > message, to make sure you won't get any null reference errors (the if > (ew) { and }). > > On 2009-10-26 15:41, Stuer Michael wrote: > > > so like you guys said i removed the Pcontains thing because there is > > no<p> > > and when i first tried he nagged about the return again so i removed > > it and therefore ended up with : > > > var ew=document.evaluate("//strong",document,null, > > 9,null).singleNodeValue; > > > ew=ew.innerHTML*1; > > > alert("Number of earthworms is "+ew); > > > and when i ran this i finally got output... namely my fishing fever > > score (wich is a different number in<strong> a little before the one > > i need. (actually the one right before it. > > > so how can i make him skip the first one and use the second one he > > finds. > > > PS: i allready want to thank all of you for helping me here :p i know > > i'm not the most experienced scripter but its nice that others help > > you sometimes :p > > > friendly greets > > > On 24 okt, 20:46, cc<[email protected]> wrote: > > >> The return only works if the chunk of code is within a function. If > >> you're using a current version of Greasemonkey, it should just work > >> (because most versions wrap the script in an anonymous function before > >> executing). > > >> Alternatively, reverse the logic of the if statement and put the two > >> following statements inside the if block, getting rid of the return > >> statement entirely. > > >> Gordon already touched on the real problem with this code, of course, > >> which is that the XPath is looking for<p> tags that don't exist. > > >> On 2009-10-24 05:48, Stuer Michael wrote: > > >>> Well i just tried the piece of code erik posted but i got some errors > > >>> i tried the script as follows > > >>> var ew = document.evaluate("//p[contains(.,'earthworms')]/ > >>> strong",document,null,9,null).singleNodeValue; > > >>> if(!ew) return; // no earthworms node found > > >>> ew = ew.innerHTML*1; > > >>> alert("Number of earthworms is "+ew); > > >>> but i got this error: SyntaxError: return not in function > >>> in eval() line 0 > > >>> and then i tried withouth the return line and got this: > > >>> TypeError: ew is null > > >>> maybe it'll help if i post more of the source page. > > >>> <table id="megaTable2" cellpadding="0" cellspacing="0"> > >>> <tr> > >>> <td rowspan="2" id="leftSpacing"> > >>> </td> > >>> <td id="contentBox" height="500" valign="top"> > >>> <center> <table border="0" cellspacing="0" > >>> cellpadding="2" > >>> width="100%"> > > >>> <tr> > >>> <td width=95% class="heading_box"> > >>> Fishing Fever > >>> </td> > >>> </tr> > >>> </table><br>Here in the lake district, we offer you the chance to > >>> compete in our famous fishing fever competition. All you need is an > >>> earthworm to use as bait, and a good sense of where in the lake you'll > >>> find the largest catch.<br><br>Your current fishing fever score is > >>> <strong>31</strong><br><br>You currently have<strong>98</strong> > >>> earthworms. Earn more at<a href='dirtdigger.php'>Dirt Digger</ > >>> a><br><br>Pick a location, cast your line, and see what you reel in! > >>> <br><br><form method='post' action='/fishingfever.php?act=fish'><input > >>> type='image' src='http://www.pokeplushies.com/images/games/ > >>> cf_lake.jpg' style='cursor:crosshair;'><input type='hidden' > >>> name='code' value='74848'></form><br><br><a href='/fishingfever.php? > >>> act=topfishers'>Click here to see who the top fishers are!</a> > >>> </ > >>> center> > > >>> </td> > >>> <td rowspan="2" width="160" valign="top"> > >>> <center> > > >>> On Oct 23, 8:30 pm, Erik Vold<[email protected]> wrote: > > >>>> A regex will work, but xpath expression is better in general, or you > >>>> could write an xpath expression with some > >>>> regexhttp://www.regular-expressions.info/xpath.html > >>>> which is probably better if you are going to use regex at all. > > >>>> Using Gordon's xpath exp the js to get your earthworm count should be > >>>> like: > >>>> var ew=document.evaluate("//p[contains(.,'earthworms')]/ > >>>> strong",document,null,9,null).singleNodeValue; > >>>> if(!ew) return;// no earthworms node found > >>>> ew=ew.innerHTML*1; > >>>> alert("Number of earthworms is "+ew); > > >>>> Where the last line that alerts the earthworm count is something more > >>>> useful. > > >>>> Erik > > >>>> On Oct 23, 6:36 am, Gordon Pettey<[email protected]> wrote: > > >>>>> On Fri, Oct 23, 2009 at 4:33 AM, 杨大成<[email protected]> wrote: > > >>>>>> i don't see any js can operate<strong> , > >>>>>> how about regex? > > >>>>> I repeat: XPath. 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