can someone please tell me what is wrong with this function's syntax? it's not working for me... -
if (document.getElementById('DIVinvoicesubtotal').style.display = 'none' && document.getElementById('DIVgst').style.display = 'none' && document.getElementById('DIVqst').style.display = 'none' && document.getElementById('DIVhst').style.display = 'none';) {
-
form.invoicesubtotal.value="";
-
form.gst.value="";
-
form.qst.value="";
-
form.hst.value="";
-
form.invoicetotal.value = '$' + addCommas(invoicesubtotalVAR.toFixed(2)) + ' CAD';}
-
-
if (document.getElementById('DIVinvoicesubtotal').style.display = 'block' && document.getElementById('DIVgst').style.display = 'block' && document.getElementById('DIVqst').style.display = 'none' && document.getElementById('DIVhst').style.display = 'none';) {
-
form.invoicesubtotal.value = '$' + addCommas(invoicesubtotalVAR.toFixed(2)) + ' CAD';
-
form.gst.value = GST.toFixed(2);
-
form.qst.value="";
-
form.hst.value="";
-
form.invoicetotal.value = '$' + addCommas(SUBTOTALandGST.toFixed(2)) + ' CAD';}
-
is it not possible to write my "if" statement this way? or should it be something like:
if (document.getEl ementById('DIVi nvoicesubtotal' ).style.display ='block'=True
thanks in advance
7  8458 
look ...
if u write if(i =5)
the condition is always true because the statement will be ...
if(i) that is ... if(5)
u r assigning the 5 to i.
but to check the value of i whether it is 5 or anything else..
try write ...
if(i == 5)...
it will work
look ...
if u write if(i =5)
the condition is always true because the statement will be ...
if(i) that is ... if(5)
u r assigning the 5 to i.
but to check the value of i whether it is 5 or anything else..
try write ...
if(i == 5)...
it will work
excusé-moi?
nope... simply adding two equal signs didn't work... i think i tried that 18 times before posting... here's an example of something that works: -
if (document.getElementById('DIVinvoicesubtotal').style.display = 'none' ) {
-
form.invoicesubtotal.value="";
-
form.gst.value="";
-
form.qst.value="";
-
form.hst.value="";
-
form.invoicetotal.value = '$' + addCommas(invoicesubtotalVAR.toFixed(2)) + ' CAD';}
-
however, the following DOESN'T work -
if (document.getElementById('DIVinvoicesubtotal').style.display = 'none' && document.getElementById('DIVgst').style.display = 'none' && document.getElementById('DIVqst').style.display = 'none' && document.getElementById('DIVhst').style.display = 'none';) {
-
form.invoicesubtotal.value="";
-
form.gst.value="";
-
form.qst.value="";
-
form.hst.value="";
-
form.invoicetotal.value = '$' + addCommas(invoicesubtotalVAR.toFixed(2)) + ' CAD';}
-
so the problem seems to be with adding multiple conditions using "&&" between the numerous "...style.displ ay='none'"...
the mystery continues...
It should work if:
1. use == instead of =
2. remove the semi-colon ( ; ) inside of the if conditon (after last 'none').
Also, separate each of the 3 conditions with paranthesis, like. - if ((x == 'none') && (y == 'none') && (z == 'none'))
If still fails, please include more sample code, if possible, and I'll try out locally.
It should work if:
1. use == instead of =
2. remove the semi-colon ( ; ) inside of the if conditon (after last 'none').
THANK YOU! seems to work now! it's strange how using one equal sign works if there only one condition, but it requires two equal signs if there are more, as well as that silly semi-colon (can't believe i missed the semi-colon)...
you've made my day ;-)
acoder 16,027
Recognized Expert Moderator MVP
THANK YOU! seems to work now! it's strange how using one equal sign works if there only one condition, but it requires two equal signs if there are more, as well as that silly semi-colon (can't believe i missed the semi-colon)...
you've made my day ;-)
One equal sign works for one condition because it is setting instead of comparing so it will always be true. Always use double equals for comparing.
acoder 16,027
Recognized Expert Moderator MVP
Also, separate each of the 3 conditions with paranthesis, like.
- if ((x == 'none') && (y == 'none') && (z == 'none'))
If still fails, please include more sample code, if possible, and I'll try out locally.
btw, dorin, thanks for helping out. It's nice when people help out, especially new members.
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