JSFiddle - React, Tailwind, and code Playground

JavaScript

function RemoveOutputKeys(array) {
  return array.filter(function(myArray) {
      if (!myArray['statusCode'] && !myArray['statusResponse']) {
          return myArray;
      }
  });
}

var originalArray = [{'statusCode':400}, {'statusCode':200}, {'test': 'test'}];

var tempArray = RemoveOutputKeys(originalArray);

console.log(originalArray, tempArray);