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https://issues.apache.org/jira/browse/FLEX-28947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justin Mclean resolved FLEX-28947.
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Resolution: Fixed
Fix Version/s: Apache Flex 4.10.0
Fixed in develop branch from other changes.
> Clear NumericStepper Value and get NaN in the display text area
> ---------------------------------------------------------------
>
> Key: FLEX-28947
> URL: https://issues.apache.org/jira/browse/FLEX-28947
> Project: Apache Flex
> Issue Type: Bug
> Components: Spark: NumericStepper
> Affects Versions: Adobe Flex SDK 4.5 (Release)
> Environment: Affected OS(s): Windows
> Affected OS(s):
> Browser: Other (specify version)
> Language Found: English
> Reporter: Adobe JIRA
> Labels: EasyFix, easytest
> Fix For: Apache Flex 4.10.0
>
> Attachments: Flex29847.air
>
>
> Steps to reproduce:
> 1. Create Spark NumericStepper
> 2. Create Spark Button
> 3. Backspace the value in NumericStepper
> 4. Click Button
>
> Actual Results:
> NaN is displayed in the NumericStepper
>
> Expected Results:
> Value remains empty or the default value is set.
>
>
> Workaround (if any):
> Set the callback valueParseFunction to the following function:
> private function
> _numericStepperParse(value:String):Number
> {
> if (!value) {
> return 0
> }
>
> return Number(value);
> }
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