change text: foo -> bar

Dan Diebolt

I need some script that change "foo" to "bar" anywhere "foo" occurs on
the page once the page is loaded. Any idea how?

Jul 20 '05 #1

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3348

Evertjan.

Dan Diebolt wrote on 04 sep 2003 in comp.lang.javascript:

I need some script that change "foo" to "bar" anywhere "foo" occurs on
the page once the page is loaded. Any idea how?

IE:

<body onload='mybody.innerText=mybody.innerText.replace(/foo/g,"bar")'>
<div id="mybody">
blah foo<br>
blah foo
</div>
</body>

--
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress)

Jul 20 '05 #2

Dan Diebolt

<body onload='mybody.innertext=mybody.innertext.replace(/foo/g,"bar")'>
<div id="mybody">
blah foo<br>
blah foo
</div>
</body>

I don't have a <div> to grab "mybody" as a handle. I have to simply make
the change to whatever text is within <body>.

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Jul 20 '05 #3

Evertjan.

Dan Diebolt wrote on 04 sep 2003 in comp.lang.javascript:

<body onload='mybody.innertext=mybody.innertext.replace(/foo/g,"bar")'>
<div id="mybody">
blah foo<br>
blah foo
</div>
</body>

I don't have a <div> to grab "mybody" as a handle. I have to simply make
the change to whatever text is within <body>.

1/ It is not innertext, but innerText

2/ Why do you let yourself be constricted that way ? It seems you want to
change somone elses work. This could be unetical. The final p[ossibilitiy
is called "html-mining".

--
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress)

Jul 20 '05 #4

Lasse Reichstein Nielsen

da********@yahoo.com (Dan Diebolt) writes:

I need some script that change "foo" to "bar" anywhere "foo" occurs on
the page once the page is loaded. Any idea how?

Best guess is to run through the DOM tree:
---
function crawlDOM(node,fnode,ftext) {
switch (node.nodeType) {
case 1: // normal node
for(var i = 0;i<node.childNodes.length; i++) {
crawlDOM(node.childNodes[i],fnode,ftext);
}
fnode(node);
break;
case 3: // text node
ftext(node);
break;
}
}
---

Then you can do:
---
crawlDOM(document.body,
function (){},
function (tnode) {
tnode.nodeValue = tnode.nodeValue.replace(/foo/g,"bar");
});
---

You just have to pray that the document tree really is a tree :)

/L
--
Lasse Reichstein Nielsen - lr*@hotpop.com
Art D'HTML: <URL:http://www.infimum.dk/HTML/randomArtSplit.html>
'Faith without judgement merely degrades the spirit divine.'

Jul 20 '05 #5

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