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In general, scripts increase the processing
required to render forms. Before using scripts, determine if a better
performance alternative is available. For example, character masks
offer better performance than scripts, with the same results.
You can use JavaScript or FormCalc for calculations and validations
in forms. If possible, avoid using validation scripts. These scripts
affect performance because of the time required to process them.
If you choose to use scripts, FormCalc usually provides better
performance than JavaScript for the following reasons:
FormCalc executes simple calculations and validations
more quickly.
FormCalc interprets the XML Form Object Model syntax directly,
which means it can evaluate reference syntax expressions more efficiently.
You
select the script language using the Script Editor.
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