javascript - Incorrect syntax when filtering ng-options? -

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i'm trying sort alphabetically 'long_name'. no avail. can't list change. missing something? 

<select ng-model="client.primary_contact"      ng-options="provider.long_name provider in providers | orderby:'provider.long_name' track provider.uid"></select>

i started here (angular docs on orderby).

you should provide property name orderby filter. try this:

ng-options="provider.long_name provider in providers | orderby:'long_name' track provider.uid"

check documentation orderby filter, expression argument.


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