I am trying to do the basic task of setting a text field from the
choice made from a select box. I learned how to code it from my
O'Reilly Javascript reference which is a few years old. The code works
as expected in Safari but not Firefox which is where I really need it
to work primarily. Of course, I would like it to work everywhere. I
would greatly appreciate it if someone could point out my error. I did
check to make sure that all javascript functionality is enabled in
Firefox. Thank you!
wana
The code (generated by the perl module CGI.pm):
<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dt d">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US"
xml:lang="en-US"><head><titl e>Untitled Document</title>
<script>
function set_text()
{
myform.mytext.v alue =
myform.myscroll .options[myform.myscroll .selectedIndex].text;
}
</script>
</head><body>
<form method="post" action="/./s.pl"
enctype="applic ation/x-www-form-urlencoded" name="myform">
<select name="myscroll" size="7" onchange="set_t ext()">
<option value="laborato ry report">laborat ory report</option>
<option value="speciali st consult note">specialis t consult
note</option>
<option value="hospital discharge summary">hospit al discharge
summary</option>
<option value="ER discharge">ER discharge</option>
<option value="medical records">medica l records</option>
<option value="prescrip tions">prescrip tions</option>
<option value="audio dictation">audi o dictation</option>
</select>
<br />
<input type="text" name="mytext" />
<div>
<input type="hidden" name=".cgifield s" value="myscroll " />
</div>
</form>
</body></html> 4 2471
ione...@yahoo.c om wrote: I am trying to do the basic task of setting a text field from the choice made from a select box. I learned how to code it from my O'Reilly Javascript reference which is a few years old. The code
works as expected in Safari but not Firefox which is where I really need it to work primarily. Of course, I would like it to work everywhere. I would greatly appreciate it if someone could point out my error. I
did check to make sure that all javascript functionality is enabled in Firefox. Thank you!
wana
The code (generated by the perl module CGI.pm):
<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dt d"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-US"><head><titl e>Untitled Document</title> <script> function set_text() { myform.mytext.v alue = myform.myscroll .options[myform.myscroll .selectedIndex].text;
}
</script> </head><body> <form method="post" action="/./s.pl" enctype="applic ation/x-www-form-urlencoded" name="myform">
<select name="myscroll" size="7" onchange="set_t ext()"> <option value="laborato ry report">laborat ory report</option> <option value="speciali st consult note">specialis t consult note</option> <option value="hospital discharge summary">hospit al discharge summary</option> <option value="ER discharge">ER discharge</option> <option value="medical records">medica l records</option> <option value="prescrip tions">prescrip tions</option> <option value="audio dictation">audi o dictation</option> </select> <br /> <input type="text" name="mytext" /> <div> <input type="hidden" name=".cgifield s" value="myscroll " /> </div> </form> </body></html>
The script engine is unable to resolve the reference to 'myform' as
it's neither a global variable (in good browsers) nor local to the
function. You'll need to prepend document. to the reference to qualify
it properly (document.forms . would be even better).
Since you're calling that function from the Select.onchange property,
with the Select object no farther away than the 'this' keyword, why not
pass it (along with its .form property)?
<select name="myscroll" size="7" onchange="set_t ext(this)">
function set_text(obj)
{
var el;
if (el = obj.form.elemen ts.mytext)
el.value = obj.options[obj.selectedInd ex].text;
} io*****@yahoo.c om wrote: I am trying to do the basic task of setting a text field from the choice made from a select box. I learned how to code it from my O'Reilly Javascript reference which is a few years old. The code works as expected in Safari but not Firefox which is where I really need it to work primarily.
[snip] The code (generated by the perl module CGI.pm):
function set_text() { myform.mytext.v alue = myform.myscroll .options[myform.myscroll .selectedIndex].text; }
</script>
function set_text(){
var f=document.myFo rm;
f.mytext.value =
f.myscroll.opti ons[f.myscroll.sele ctedIndex].text;
}
Mick
[snip]
}
RobB wrote: ione...@yahoo.c om wrote: I am trying to do the basic task of setting a text field from the choice made from a select box. I learned how to code it from my O'Reilly Javascript reference which is a few years old. The code works as expected in Safari but not Firefox which is where I really need
it to work primarily. Of course, I would like it to work everywhere.
I would greatly appreciate it if someone could point out my error. I did check to make sure that all javascript functionality is enabled in Firefox. Thank you!
wana
The code (generated by the perl module CGI.pm):
<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dt d"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-US"><head><titl e>Untitled Document</title> <script> function set_text() { myform.mytext.v alue = myform.myscroll .options[myform.myscroll .selectedIndex].text;
}
</script> </head><body> <form method="post" action="/./s.pl" enctype="applic ation/x-www-form-urlencoded" name="myform">
<select name="myscroll" size="7" onchange="set_t ext()"> <option value="laborato ry report">laborat ory report</option> <option value="speciali st consult note">specialis t consult note</option> <option value="hospital discharge summary">hospit al discharge summary</option> <option value="ER discharge">ER discharge</option> <option value="medical records">medica l records</option> <option value="prescrip tions">prescrip tions</option> <option value="audio dictation">audi o dictation</option> </select> <br /> <input type="text" name="mytext" /> <div> <input type="hidden" name=".cgifield s" value="myscroll " /> </div> </form> </body></html>
The script engine is unable to resolve the reference to 'myform' as it's neither a global variable (in good browsers) nor local to the function. You'll need to prepend document. to the reference to
qualify it properly (document.forms . would be even better).
Since you're calling that function from the Select.onchange property, with the Select object no farther away than the 'this' keyword, why
not pass it (along with its .form property)?
<select name="myscroll" size="7" onchange="set_t ext(this)">
function set_text(obj) { var el; if (el = obj.form.elemen ts.mytext) el.value = obj.options[obj.selectedInd ex].text; }
Thank you! It makes sense now. I cannot blame my old book for my
mistake, just myself for not paying attention. Thanks for the
information and insight. And thanks to all for helpful responses.
wana io*****@yahoo.c om wrote: I am trying to do the basic task of setting a text field from the choice made from a select box. [...] The code works as expected in Safari but not Firefox which is where I really need it to work primarily. [...] The code (generated by the perl module CGI.pm):
<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dt d"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-US">
XHTML 1.0 Transitional is voodoo. If you don't want clean markup, why are
you using XHTML anyway? There is nothing in your document that requires
it, especially not the deprecated elements and attributes. Use Valid HTML
4.01 Transitional or Strict (I recommend the latter) instead.
<head> <title>Untitl ed Document</title>
^^^^^^^^^^^^^^^ ^^
That's a joke, yes?
<script>
The `type' attribute is missing, both if should be Valid HTML 4 and Valid
XHTML. Validate your markup before you complain: <http://validator.w3.or g/>
function set_text() { myform.mytext.v alue = myform.myscroll .options[myform.myscroll .selectedIndex].text; }
Replace with
function set_text(f)
{
var o = f.elements["myscroll"];
f.elements["mytext"].value = o.options[o.options.selec tedIndex].text;
}
</script> </head><body> <form method="post" action="/./s.pl"
^^^^^^^
That's voodoo. "/s.pl" will suffice.
[...] <select name="myscroll" size="7" onchange="set_t ext(this.form)" >
Replace with
<select name="myscroll" size="7" onchange="set_t ext(this.form)" >
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