isPropertyEmpty: Difference between revisions
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Returns {{true}} if the [[Token Property]] for a specific [[Token]] is empty. A [[Token Property]] is considered empty if it is {{code|NULL}}; if an empty string ({{code|""}}) has been assigned to it, it is not considered empty. | Returns {{true}} if the [[Token Property]] for a specific [[Token]] is empty. A [[Token Property]] is considered empty if it is {{code|NULL}}; if an empty string ({{code|""}}) has been assigned to it, it is not considered empty. | ||
'''Note:''' If the token type sets a default value, this function will still see the property as empty. Try using [[json.isEmpty|json.isEmpty()]]. | |||
|usage= | |usage= | ||
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[[resetProperty|resetProperty()]], | [[resetProperty|resetProperty()]], | ||
[[getProperty|getProperty()]], | [[getProperty|getProperty()]], | ||
[[setProperty|setProperty()]] | [[setProperty|setProperty()]], | ||
[[json.isEmpty|json.isEmpty()]] | |||
|changes= | |changes= | ||
{{change|1.3b51|Added {{code|id}} parameter option.}} | {{change|1.3b51|Added {{code|id}} parameter option.}} | ||
Revision as of 16:52, 2 February 2014
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This article needs: Examples using the new functionality.
isPropertyEmpty() Function
• Introduced in version 1.3b48
Returns
true(1) if the Token Property for a specific Token is empty. A Token Property is considered empty if it is NULL; if an empty string ("") has been assigned to it, it is not considered empty.
Note: If the token type sets a default value, this function will still see the property as empty. Try using json.isEmpty().Usage
isPropertyEmpty(property)isPropertyEmpty(property, id)Parameters
property- The name of the property that has its value checked.id- The tokenidof the token that has its value checked, defaults to the Current Token.Note: This parameter can only be used in a Trusted Macro.
Example
[r, if(isPropertyEmpty("propertyName")): propertyName = someDefaultValue]See Also
Version Changes
- 1.3b51 - Added
idparameter option.