del

6 years ago · f214e741b7
parent efc5d2108d
commit f214e741b7
1 changed files with 2 additions and 0 deletions
--- a/public/react/src/modules/courses/exercise/new/NullEditor.js
+++ b/public/react/src/modules/courses/exercise/new/NullEditor.js
@ -196,12 +196,14 @@ class NullEditor extends Component{
  }
  
  onAnswerChange = (index, itemIndex, val) => {
+    if (this.state.standard_answers[index]) {
    this.setState(
        (prevState) => ({ 
          standard_answers : update(prevState.standard_answers
            , {[index]: {$splice: [[itemIndex, 1, val]]}}),
        })
      )
+    }
  }
  addChildAnswer = (index) => {
    this.setState(