/Javascript/React/Cannot read properties of undefined (reading 'length') selectionlist react native

Cannot read properties of undefined (reading 'length') selectionlist react native

fetch('https://obscure-reaches-65656.herokuapp.com/api/getCloseTime?city=Hsinchu&sTime=18&eTime=21')
.then(r => r.json())
.then(r => {
  const movieData = r.reduce((r,s) => {
    r.push({title: s.theater, data: s.movie});
    return r;
  }, []);

  this.setState({ movieData });
});

Source: stackoverflow.com

Similar codes

2 votes365 views3 answers
React native component at bottom center
Javascript React
10 votes392 views2 answers
React-native text overflow ellipsis
Javascript React
-2 votes369 views1 answer
Multiple image upload react
Javascript React
0 vote364 views1 answer
React image source showing object module
Javascript React
0 vote381 views1 answer
Module not found: Can't resolve 'react-chartjs-2'
Javascript React
0 vote381 views1 answer
Namespace react has no export member FC
Javascript React
0 vote384 views1 answer
Add clickable link to image in react native
Javascript React
6 votes389 views1 answer
What is key in react
Javascript React
3 votes412 views3 answers
Adding donet chart text center in react
Javascript React
-2 votes382 views1 answer
How to hide keyboard in react native
Javascript React