typescript checkbox event
handleInputChange(event) {
const target = event.target;
const value = target.name === 'isGoing' ? target.checked : target.value;
const name = target.name;
this.setState({
[name]: value
});
}
<input
name="isGoing"
type="checkbox"
checked={this.state.isGoing}
onChange={this.handleInputChange} />