React/Redux rendering a list that's updating every second

Question

I have a react component that receives props from the redux store every second. The new state has an array that\'s different than the last array. To be specific, every second an

Answer 1

it looks like you are creating a new array each time in the reducer in which all array indices need to be re-calculated. have you tried appending the new node to the end of the list instead of prepending?