Calculations not working - combo box quantities at different price points

Community Beginner ,
Apr 27, 2019 Apr 27, 2019

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I have written this code for a combo box (qmblu) with the quantities as seen in the formula, but the only value displaying is for qty=1 (I checked by changing the numbers to 1, 2, etc, instead of 12.22 and '1' showed in the price field). Even the else "" is being ignored with default on the first value. Can anyone please tell me what I'm missing? The combo box works - my product of the two fields changes based on quantity changes, but always multiplies by the same price.

I'm not a coder; created this based on Thom Parker's articles, but it makes sense to me...

Thanks!

var qty = this.getField("qmblu").value;

if( qty=1 ) event.value = 12.22;

else if( qty=2 ) event.value = 12.22;

else if( qty=3 ) event.value = 12.22;

else if( qty=4 ) event.value = 12.22;

else if( qty=5 ) event.value = 10.80;

else if( qty=10 ) event.value = 10.44;

else if( qty=20 ) event.value = 10.44;

else if( qty=50 ) event.value = 9.72;

else if( qty=100 ) event.value = 9.36;

else if( qty=200 ) event.value = 9.36;

else event.value = "";

TOPICS
Acrobat SDK and JavaScript

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correct answers 1 Correct Answer

Adobe Community Professional , Apr 27, 2019 Apr 27, 2019
the comparison operator is "==".  A single "=" is an assignment operator, so the first "if" condition is always true.Change all of the "if" comparisons to use "==" if(qty==1)...etc...

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Adobe Community Professional ,
Apr 27, 2019 Apr 27, 2019

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the comparison operator is "==".  A single "=" is an assignment operator, so the first "if" condition is always true.

Change all of the "if" comparisons to use "=="

if(qty==1)

...etc...

Thom Parker - Software Developer at PDFScripting
Use the Acrobat JavaScript Reference early and often

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Community Beginner ,
Apr 27, 2019 Apr 27, 2019

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Thank you so much Thom. I appreciate having had the chance to read all your detailed articles to at least figure most of it out, but especially want to say thanks for such a quick reply. It works great!

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Adobe Community Professional ,
Apr 27, 2019 Apr 27, 2019

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You're welcome. I'm glad you found the articles useful.

Thom Parker - Software Developer at PDFScripting
Use the Acrobat JavaScript Reference early and often

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