This is a discussion on "Working out Percentage" within the JavaScript Forum section. This forum, and the thread "Working out Percentage are both part of the Program Your Website category.
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Working out Percentage
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Jun 9th, 2006, 10:26
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Working out Percentage
Hi,
I am going to use javascript to calculate a value depending on what the user selects from a dropdown menu. I have 2 columns in a table and a dropdown menu. The value in the 2nd column is going to be calculated by taking a percentage of the number that is hardcoded in the 1st column. The user will select an option from the drop down e.g. 10% 20% 30% etc... and the value in the 2nd column will be calculated according to the percentage of the value in the 1st column. Anyone know a simple way to do this?? 
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Jun 9th, 2006, 14:14
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Re: Working out Percentage
Did you not learn percentages at school?
10% is the same as 0.1, 20% -> 0.2, and so on. Ergo: first column * 0.1 or 0.2, etc., as selected gives answer.
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Jun 10th, 2006, 03:26
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Re: Working out Percentage
Did you learn how to give useless information in school
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Jun 10th, 2006, 16:29
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Re: Working out Percentage
Quote:
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