How to toggle boolean state of react component?

Question

I\'d like to know how to toggle a boolean state of a react component. For instance:

I have boolean state check in the constructor of my component:

const         


        

Answer 1

You should use this.state.check instead of check.value here:

this.setState({check: !this.state.check})

But anyway it is bad practice to do it this way. Much better to move it to separate method and don't write callbacks directly in markup.