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Registers evaluate function.

Component Version macOS Windows Linux Server iOS SDK
JavaScriptWebKit 5.4 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ✅ Yes
MBS( "JavaScript.RegisterEvaluateFunction"; JavaScriptContext; FunctionName )   More


Parameter Description Example
JavaScriptContext The reference number of the javascript context. $Context
FunctionName The name for the new function. "Evaluate"


Returns OK or error.


Registers evaluate function.
The javascript function takes one parameter which is expression to evaluate. Returns the text of the expression result.
Call later like this: FMEvaluate("Get(AccountName)")


Register function:

MBS( "JavaScript.RegisterEvaluateFunction"; $$Context; "FMEvaluate" )
# later:
# FMEvaluate("Get(AccountName)")

Evaluate in javascript the FileMaker get function:

Set Variable [ $js ; Value: MBS( "JavaScript.New" ) ]
Set Variable [ $r ; Value: MBS( "JavaScript.RegisterEvaluateFunction"; $js; "FMEvaluate" ) ]
Set Variable [ $r ; Value: MBS( "JavaScript.EvaluateScript"; $js; "FMEvaluate('Get(AccountName)') + ' from javascript'") ]
Show Custom Dialog [ "Result" ; $r ]
Set Variable [ $r ; Value: MBS( "JavaScript.Release"; $js ) ]

See also

Example Databases

Blog Entries

This function checks for a license.

Created 7th November 2015, last changed 9th February 2023

JavaScript.New - JavaScript.RegisterFunction