JavaScript to three significant digits rounded

I found a JavaScript that I would use for rounding significant figures on a field:

function sigFigs (n, GIS) {}

mult var = Math.pow (10,

GIS - Math.floor (Math.log (n) / Math.LN10)-1);

return Math.round(n * mult) / mult.

}

In the properties of the field, as a custom calculation Script, I added the JavaScript code, but it doesn't seem to work.

Any advice you can give me on what I am doing wrong would be greatly appreciated.

Thank you!

Natalie

A function simply sets a block or a code to run, but does not run, or run the code. To run the code, you must call the function. Since it is a function that could be reused many times in a form I would put this in the document-level script or in the page open for the first page. So, for your example, I would use the custom JavaScript calculation to call the function using the value of the field (event.value) and the number of significant digits.

Event.Value = sigFigs (event.value, 3);

Tags: Acrobat

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