External module "assert/is-prototype-of/docs/types/index.d"

Export assignment isPrototypeOf

• isPrototypeOf(value: any, proto: any): boolean

• Tests if an object's prototype chain contains a provided prototype.

  throws

  second argument must be an object and not null

  Parameters

  • value: any

    value to test

  • proto: any

    prototype

  Returns boolean

  boolean indicating if a provided prototype exists in a prototype chain

  Example

  var inherit = require( `@stdlib/utils/inherit` );
  
  function Foo() {
      return this;
  }
  
  function Bar() {
      return this;
  }
  inherit( Bar, Foo );
  
  var bar = new Bar();
  
  var bool = isPrototypeOf( bar, Foo.prototype );
  // returns true