Question

108

find sum of Boolean values JavaScript object array

rated 0 times [ 111] [ 3] / answers: 1 / hits: 18928 / 8 Years ago, thu, january 19, 2017, 12:00:00

Hi i am trying to find the sum of Boolean values in the object array in JavaScript

My json like be

var myoBj = [{

  id: 1,

  day: 1,

  status: true

}, {

  id: 2,

  day: 1,

  status: false

}, {

  id: 3,

  day: 1,

  status: false

}, {

  id: 4,

  day: 3,

  status: false

}];

i want the sum of all status values using reduce function in JavaScript/ typescript

i want to show overall status as true only when all status are true else it should be false

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answered 8 Years ago paolam · Accepted Answer

var result = myObj.reduce((sum, next) => sum && next.status, true);

This should return true, if every value is true.