[Solved] replace array of object with another array of object base on property

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You can do it using Array#map() to create a new array and Array#find() to find the object in the second array 

let arr=[{status:"ok"},{status:"ok"},{status:"error"}],
arr2=[{status:"error",msg:"etc","more property":!0}];

arr = arr.map(a=>{
  let fullObj = arr2.find(a2=>a2.status===a.status);
  return fullObj ? fullObj : a;
});

console.log(arr);

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solved replace array of object with another array of object base on property