let values = [

  { value: 1, name:  'Monday', isSelected: false }, 

  { value: 2, name: 'Tuesday', isSelected: false  }, 

  { value: 3, name: 'Wednesday', isSelected: false  },

  { value: 4, name: 'Thursday', isSelected: false  }, 

  { value: 5, name: 'Friday', isSelected: false  },

]

​

const selectedValues = [2,5,1];

​

values = values.map((item) => {

  if(selectedValues.indexOf(item.value) > -1) {

    item.isSelected = true;

  }

  return item;

});

​

console.log(values);