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Javascript pitanjce

 
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357ica



Joined: 26 Apr 2005
Posts: 75
Location: Zagreb

PostPosted: 26.04.2009 15:27    Post subject: Javascript pitanjce Add user to your forum ignore list Reply with quote

Ako ima dobra duša...

Kreiram formu preko js-a. Imam funkciju:

function createForm(sName,sMethod,sAction){

var oTemp=document.createElement("form");
oTemp.setAttribute("name",sName);
oTemp.setAttriubte("method",sMethod);
oTemp.setAttribute("action",sAction);

// append it

document.body.appendChild(oTemp);
}

window.onload=function(){

createForm("frm","post","some-action-request-page");
}
window.onload poziva funkciju. U jednoj funkciji kasnije provjerim if(document.forms["frm"])....
vraća mi "undefined" or null or not object.

E da, ovo radi savršeno u FF, ali prokleti IE me je*****.
U čemu je stvar, gdje griješim?
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357ica



Joined: 26 Apr 2005
Posts: 75
Location: Zagreb

PostPosted: 26.04.2009 16:07    Post subject: Add user to your forum ignore list Reply with quote

Uspjeo sam.
IE kreira formu. samo je problem što IE ne reagira kad pozivam formu preko document.forms["some_form_name"].

Ako pogledam koliko formi imam u dokumentu (to mi je poznato), alert(document.forms.length); dobijem točan broj formi. Ako umjesto document.forms["some_form_name"], napravim document.forms[1], IE vrati formu.

Onda sam napravio fn:

function getFormIE(formName){
for(i=0;i<document.forms.length;i++){
if(document.forms[i].name==formName){
return i;
break;
}
}

dalje u kôdu imam:

// Mozzila firefox works fine
oTemp=document.forms[formName];

// IE patch
if(! oTemp){
oTemp=document.forms[getFormIE(formName)];
}

Sad, koliko je pametno tražiti index forme preko for petlje?
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PaNtHeR



Joined: 17 Sep 2003
Posts: 161

PostPosted: 26.04.2009 17:24    Post subject: Add user to your forum ignore list Reply with quote

Probaj s jQuery ili MooTools. MIslim da ćeš tamo za 10 minuta napravit isti posao koji u "običnom" JS-u radiš pola sata, a i oni se brinu za IE;FF;... razlike u implementacijama JS-a....

Daš svojoj formi ID i nađeš ju tako... neznam u čemu je prob?... Jedino ako je ovo neki školski zadatak pa baš mora bit u JS...

Šta točno misliš pod "index forme" i zašto ti on treba?

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357ica



Joined: 26 Apr 2005
Posts: 75
Location: Zagreb

PostPosted: 26.04.2009 17:38    Post subject: Add user to your forum ignore list Reply with quote

PaNtHeR wrote:
Šta točno misliš pod "index forme" i zašto ti on treba?


Ma prokleti array index od form collection-a, kad sam već odlučio provrtiti array kolekcije formi u dokumentu. Fora je što mrdam po već napravljenoj stvari, treba nekaj pokrpati, ubaciti, a onaj koji je pisao izvorni html ga je usro do bola s tablicama i ispisom asp-om. Pa nebum još i to proučavo. Bum to sa jscriptom riješio. Ionako sam riješio 70% posla sa ovim komadićem koda.

Thx, anyway
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PaNtHeR



Joined: 17 Sep 2003
Posts: 161

PostPosted: 26.04.2009 19:00    Post subject: Add user to your forum ignore list Reply with quote

Quote:
Fora je što mrdam po već napravljenoj stvari, treba nekaj pokrpati, ubaciti, a onaj koji je pisao izvorni html ga je usro do bola s tablicama i ispisom asp-om.


aha, onda razumljivo Smile

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zytzagoo
mi3.crew


Joined: 25 Aug 2003
Posts: 1842
Location: Zagreb, Hrvatska

PostPosted: 29.04.2009 18:22    Post subject: Add user to your forum ignore list Reply with quote

Mozda bi i jednostavno proradilo da formi uz name setas i id atribut, a onda nemas potrebe
za loopanjem kroz forms collection:

oTemp.setAttribute("id", sName);

Nisam probao doduse, ali vjerujem da bi trebalo raditi (osim da nekim cudom na toj stranici
vec nemas kreiranu formu sa nazivom / id-om "frm"?)

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357ica



Joined: 26 Apr 2005
Posts: 75
Location: Zagreb

PostPosted: 29.04.2009 21:06    Post subject: Add user to your forum ignore list Reply with quote

zytzagoo wrote:
Mozda bi i jednostavno proradilo da formi uz name setas i id atribut, a onda nemas potrebe
za loopanjem kroz forms collection:

oTemp.setAttribute("id", sName);

Nisam probao doduse, ali vjerujem da bi trebalo raditi (osim da nekim cudom na toj stranici
vec nemas kreiranu formu sa nazivom / id-om "frm"?)


Jesam, postavio sam i taj atribut, da se osiguram za svaki slučaj. Thx anyway
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zytzagoo
mi3.crew


Joined: 25 Aug 2003
Posts: 1842
Location: Zagreb, Hrvatska

PostPosted: 30.04.2009 14:52    Post subject: Add user to your forum ignore list Reply with quote

357ica wrote:
Jesam, postavio sam i taj atribut, da se osiguram za svaki slučaj. Thx anyway


http://social.msdn.microsoft.com/Forums/en-US/iewebdevelopment/thread/158d79b3-e031-423d-bac0-336b290fb56b
http://webbugtrack.blogspot.com/2007/09/bug-162-global-namespace-pollution-in.html

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357ica



Joined: 26 Apr 2005
Posts: 75
Location: Zagreb

PostPosted: 02.05.2009 07:11    Post subject: Add user to your forum ignore list Reply with quote

zytzagoo wrote:

http://social.msdn.microsoft.com/Forums/en-US/iewebdevelopment/thread/158d79b3-e031-423d-bac0-336b290fb56b
http://webbugtrack.blogspot.com/2007/09/bug-162-global-namespace-pollution-in.html

Zahvaljujem, za ovaj drugi primjer sa scope-om varijabli znam. Malo sam se igrao sa scope-om u funkcijama. Ako postaviš varijablu bez deklaracije var, onda imaš globalnu varijablu. A kaj sad, kad je javacript loosley typed.

Mislim da je najpametnije dohvatiti element preko ID-a. Dohvat preko name-a izbjegavati. IE isto tako kiksa na document.getElementsByTagName(*).
Ja bih : Bang! IE+
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