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No se puede leer la propiedad 'toUpperCase' de undefined con el ERROR en *ngFor

Estoy tratando de declarar un índice en *ngFor pero recibo un error de tipo y dice

 <div class='text' *ngFor='let item of blogs; let i = index | async | filter : 'feat' : true'>

Si elimino let i = index , funciona bien, pero quiero usar el índice, para poder aplicar clases css a los elementos. Mirando la documentación, así es como se supone que debes hacerlo.

over 4 years ago · Santiago Trujillo
1 answers
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0

Debe ir antes del índice.

 <div class='text' *ngFor='let item of blogs | async | filter : 'feat' : true'; let i = index >
over 4 years ago · Santiago Trujillo Report
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