Type 'void' is not assignable to type '((event: MouseEvent) => void) | undefined'

Question

   import * as React from \"react\";
   import \"./App.css\";
   import PageTwo from \"./components/PageTwo\";

    export interface IPropsk {
        data?: Array&l         


        

Answer 1

You could also do something like

fetchData = (val: string) => (event: any) => {
  alert(val);
};

Alternatively, you can set a type for your event, such as React.MouseEvent. You can read more about it here.