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admintrmp [Bug?] Visualforce/JavaScript problems
I've noticed that when I do for-loops in Javascript in Visualforce (I know, I know! I should put my JavaScript in a JS file!) I'ved noticed that it sometimes gets messed up, particuarly when there are two or more for-loops in the script!
This not the first time I've experienced this and it can be achieved quite simply.
<script type="text/javascript">
function selectLoose(objForm)
{
var records = '';
var els = objForm.elements;
for ( var i=0; i<els.length; i++ )
{
if ( els[i].nodeName.toLowerCase() == 'input' && els[i].getAttribute('type').toLowerCase() == 'checkbox' )
{
if ( els[i].value.indexOf('loose_') == 0 && els[i].checked )
{
records += (records == '' ? '' : ';') + els[i].value.substring(els[i].value.indexOf('_') + 1);
}
}
}
if ( records == '' )
{
alert('You have not selected any loose records to be deleted.');
return false;
}
getObj('delId').value = records;
return false;
}
function selectAllLoose(objAll)
{
var records = '';
var els = objAll.form.elements;
for ( var i=0; i<els.length; i++ )
{
if ( els[i].nodeName.toLowerCase() == 'input' && els[i].getAttribute('type').toLowerCase() == 'checkbox' )
{
if ( els[i].value.indexOf('loose_') == 0 )
{
els[i].checked = objAll.checked;
}
}
}
}
</script>
The code above gets parsed into:
<script type="text/javascript">
function selectLoose(objForm)
{
var records = '';
var els = objForm.elements;
for ( var i=0; i<els records="" .length; i++ )
{
if ( els[i].nodeName.toLowerCase() == 'input' && els[i].getAttribute('type').toLowerCase() == 'checkbox' )
{
if ( els[i].value.indexOf('loose_') == 0 && els[i].checked )
{
records += (records == '' ? '' : ';') + els[i].value.substring(els[i].value.indexOf('_') + 1);
}
}
}
if ( records == '' )
{
alert('You have not selected any loose records to be deleted.');
return false;
}
getObj('delId').value = records;
return false;
}
function selectAllLoose(objAll)
{
var ;
var els = objAll.form.elements;
for ( var i=0; i<els.length; i++ )
{
if ( els[i].nodeName.toLowerCase() == 'input' && els[i].getAttribute('type').toLowerCase() == 'checkbox' )
{
if ( els[i].value.indexOf('loose_') == 0 )
{
els[i].checked = objAll.checked;
}
}
}
}
</script>
Put " " (blank space) before and after all "<" and ">".
VF page parser thinks that it is a beginning or ending of HTML tag...
And if possible, try to avoid using single-quote. In Javascript, you can use double-quote.
Even in the double-quote, you can use double-quote by using \" in HTML attribute.
That's one thing we should be careful when we blindly convert a S-Control to a VF page...
ThomasTT
All Answers
Put " " (blank space) before and after all "<" and ">".
VF page parser thinks that it is a beginning or ending of HTML tag...
And if possible, try to avoid using single-quote. In Javascript, you can use double-quote.
Even in the double-quote, you can use double-quote by using \" in HTML attribute.
That's one thing we should be careful when we blindly convert a S-Control to a VF page...
ThomasTT
Ah! Thankyou for that insight.
Luckily I never used S-Controls in the first place so I do not have to suffer with that confusion of having to convert everything. :)
Yeah, it's just for the search. Somebody else may find this post for other reasons.
Oh, by the way, I agree. It's not "[Bug?]", it's "[Bug]". However, it's already very known. Even in merge field, if you use > like {!IF(value>3, 'too many', 'too short')} may not work and work around is {!IF(value<=3, 'too short', 'too many')}... (I found such a post somewhere...) also, this means SFDC doesn't parse VF page as HTML/javascript, so it will be very difficult for them to fix this even though it is a bug.
ThomasTT