group by property javascript use reduce

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Group by property javascript use reduce

const result = [
  {subject: 'blog javascript', marks: 41},
  {subject: 'anonystick.com', marks: 59},
  {subject: 'blog developers', marks: 36},
  {subject: 'blog programmers', marks: 90},
  {subject: 'medium.com', marks: 64},
];
let initialValue = {
  pass: [], 
  fail: []
}
const groupedResult = result.reduce((accumulator, current) => {
  (current.marks >= 50) ? accumulator.pass.push(current) : accumulator.fail.push(current);
  return accumulator;
}, initialValue);
console.log(groupedResult);

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