When survey.data
contains a number as a string, and an expression returns the same value as a number, survey response stays the same
#9690
Labels
user issue
An issue or bug reported by users
T22451 - expression calculated at loading time but does not change the survey data
https://surveyjs.answerdesk.io/internal/ticket/details/T22451
View Demo
Usage scenario: an expression field is calculated using a custom function. The custom function produces a numeric result (e.g.,
2
).A
survey.data
is set to some response. The response contains a value for the expression field. The value is a string ("2"
).The issue: a form library uses the Helpers.isTwoValueEquals function to check if these two values (2 and "2") are equal. These values are considered equal and the expression field's value is not updated to use the custom function result (
2
). Instead, the expression field persists the value specified viasurvey.data
("2"
).Suggestion: introduce an option which would additionally check a value type. If types are different, update a question value and use the custom function result.
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