Question: You have created a new method in a class component called handleClick, but it is not working. Which code is missing?

1. `this.handleClick.bind(this);`
2. `props.bind(handleClick);`
3. `this.handleClick.bind();`
4. `this.handleClick = this.handleClick.bind(this);`

Answer: The correct answer of the above question is Option D:`this.handleClick = this.handleClick.bind(this);`