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tawanda
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Joined: Aug 5, 2005
Post Count: 3
Status: Offline


javascript & firefox issues....

Hello,

I am looking for some answers as far as running javascript in firefox. I am trying to run a dynamic drop down menu for a form I am creating. It runs fine in IE however it does not run correctly in firefox...

heres the javascript code

var arrClasses, arrALH, arrCOM, arrECO

arrALH = ['1111014', '2263041', '2451041']
arrCOM = ['1053041', '1211041']
arrECO = ['1013041']

arrClasses = [arrALH, arrCOM, arrECO]

function handleChange(newDisplay)
{
var deptSelect, numSelect, numEntries, i
deptSelect = document.forms.shortForm.primary
numSelect = document.forms.shortForm.secondary

for(i = numSelect.length; i >0; i--)
{
numSelect.options[i-1] = null
}

numSelect.options[0] = new Option ("--Select--", 0)

if(newDisplay>=0)
{
numEntries = arrClasses[newDisplay].length

for(i =1; i<= numEntries; i++)
{
numSelect.options = new Option((arrClasses[newDisplay]) [i-1], (arrClasses[i-1]))
}

}

numSelect.selectedIndex = 0
}

and the corresponding html

<select name="primary" onChange="handleChange(this[this.selectedIndex].value)">
<option value = "-1" selected>--Select--</option>
<option value = "0">ALH</option>
<option value = "1">COM</option>
<option value = "2">ECO</option>
<option value = "3">EDU</option>
<option value = "4">ENG</option>
<option value = "5">HIS</option>
<option value = "6">MAT</option>
<option value = "7">NUR</option>
<option value = "8">PSY</option>
<option value = "9">SPE</option>
<option value = "10">CTD</option>
</select>
<select name="secondary">
<option value ="-1"> -- Select --</option>
<option></option>
<option></option>
</select>

now in IE i recieve results that look like this

ALH102201

and in firefox I recieve

ALHundefined

any ideas????

thanks in advance
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[Edit 1 times, last edit by tawanda at Aug 5, 2005 11:54:49 AM]

[Aug 5, 2005 11:06:18 AM]

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tpattison
Advanced Member

UK
Joined: Dec 29, 2004
Post Count: 1662
Status: Offline


Re: javascript & firefox issues....

Have you checked FireFox's Javascript Console?

It would be useful if you could put your html and javascript on to a server in a working state and link to them. That way it would be easier for us to debug your code. biggrin

Tim
----------------------------------------
Pavonis Mons | Listen of the week: "Residue of Desire" by Acumen

[Aug 5, 2005 1:23:30 PM]

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tawanda
Stranger

Joined: Aug 5, 2005
Post Count: 3
Status: Offline


Re: javascript & firefox issues....

I am working on getting this code put onto a server... in the meantime...

I ran the javascript console in firefox and I recieve one error

Error: arrClasses has no properties
Source File: http://localhost/paypal/dynamic.js

so.. here is the code again with some changes

var arrClasses = new Array (3)
arrALH = new Array(3)
arrCOM = new Array(2)
arrECO = new Array(1)

arrALH = ['1111014', '2263041', '2451041']
arrCOM = ['1053041', '1211041']
arrECO = ['1013041']
arrClasses = [arrALH, arrCOM, arrECO]

function handleChange(newDisplay){
var deptSelect, numSelect, numEntries, i
deptSelect = document.forms.shortForm.primary
numSelect = document.forms.shortForm.secondary

//alert(typeof(numSelect))

for(i = numSelect.length; i >0; i--)
{
numSelect.options[i-1] = null
}

numSelect.options[0] = new Option ("--Select--", 0)

if(newDisplay>=0)
{
numEntries = arrClasses[newDisplay].length

for(i =1; i<= numEntries; i++)
{
numSelect.options = new Option((arrClasses[newDisplay])[i-1], (arrClasses[i-1]))
}

}

numSelect.selectedIndex = 0
}

so.... not sure why arrClasses has no properties??
any ideas??

thanks in advance

[Aug 8, 2005 9:38:02 AM]

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tawanda
Stranger

Joined: Aug 5, 2005
Post Count: 3
Status: Offline


Re: javascript & firefox issues....

Just incase anyone runs into the same problem...

I changed the arrays to look like

var arrClasses = new Array (11)
arrClasses[0] = new Array(4)//var arrALH = new Array(3)
arrClasses[0][0] = "ALH"
arrClasses[0][1] = "1111014"
arrClasses[0][2] = "2263041"
arrClasses[0][3] = "2451041"
arrClasses[1] = new Array(3)//var arrCOM = new Array(2)
arrClasses[1][0] = "COM"
arrClasses[1][1] = "1053041"
arrClasses[1][2] = "1211041"
arrClasses[2] = new Array(2)//var arrECO = new Array(1)
arrClasses[2][0] = "ECO"
arrClasses[2][1] = "1013041"

and now it works fine...
thanks for all the help

[Aug 10, 2005 11:14:07 AM]

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