Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

JavaScript React by Example Building the Application Adding Guests to the List

Shouldn't you prevent adding a guest without a name?

Since pendingGuest always holds at least an empty string, on submit keeps adding empty invitees when pushed. A simple if statement would prevent such action:

newGuestSubmitHandler(e) {
    e.preventDefault();
    if(this.state.pendingGuest.length > 0) {
      this.setState({
        guests: [
          {
            name: this.state.pendingGuest,
            isConfirmed: false,
            isEditing: false
          }, 
          ...this.state.guests],
          pendingGuest: ""
      });
    }
  };

1 Answer

Steven Parker
Steven Parker
228,978 Points

That's a very practical program enhancement. The fact that you're thinking of effective improvements is evidence of your learning progress and grasp of the material. Good job! :+1: