Javascript/Typescript call external function from within function

Question

I have:

 connect(id: string) {

    console.log(id);

    this.connection = this.api.connect(id);

    this.connection.on('open', function () {

      this.testConnect();

    });

  }



testConnect(){



  }

I want to be able to call the testConnect function from within the this.connection.on

Answer 1

Use an arrow function:

this.connection.on('open', () => {
  this.testConnect();
});

Javascript/Typescript call external function from within function

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