How to use property within expression?

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How to use property within expression?



I have a property in my GeoJSON file that is called "bla".


"text-field": [
'case',
['!=', ['get', 'bla'], null],
"bla%",
['==', ['get', 'bla'], null],
" ",
" ",
],



I would like to display that property within a case expression, which is not working.



If I simply pass:


"text-field": "bla%"



it is working just fine.



How do I use properties within that case expression?



Thanks




1 Answer
1



Use concat instead placeholder:


"text-field": [
"case", ['!=', ['get', 'bla'], null],
["concat", ['get', 'bla'], '%'],
['==', ['get', 'bla'], null],
" ",
" "
]



[ https://jsfiddle.net/sxma7u68/ ]





Thanks! In your example it is working but somehow for me it returns nothing, not even the % sign. Any idea why this could happen?
– Niklas Karoly
Aug 10 at 14:51





Found the error, bla has to be a string, integer is not working. Thanks again for your help!
– Niklas Karoly
Aug 10 at 17:42






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