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This is the archived documentation for Angular v17. Please visit angular.dev to see this page for the current version of Angular.

SimpleChanges

A hashtable of changes represented by SimpleChange objects stored at the declared property name they belong to on a Directive or Component. This is the type passed to the ngOnChanges hook.

      
      interface SimpleChanges {
__index(propName: string): SimpleChange }

See also

Methods

      
      __index(propName: string): SimpleChange
    
Parameters
propName string
Returns

SimpleChange