Use Javascript to check if JSON object contain value

I want to check if a certain key in a JSON object like the one below contains a certain value. Let's say I want to check if the key "name", in any of the objects, has the value "Blofeld" (which is true). How can I do that?

[ {
  "id" : 19,
  "cost" : 400,
  "name" : "Arkansas",

  "height" : 198,
  "weight" : 35 
}, {
  "id" : 21,
  "cost" : 250,
  "name" : "Blofeld",
  "height" : 216,
  "weight" : 54 
}, {
  "id" : 38,

  "cost" : 450,
  "name" : "Gollum",
  "height" : 147,
  "weight" : 22 
} ]

Answer

you can also use Array.some() function:

const arr = [{
  id: 19,
  cost: 400,
  name: "Arkansas",
  height: 198,
  weight: 35 
}, {
  id: 21,
  cost: 250,

  name: "Blofeld",
  height: 216,
  weight: 54 
}, {
  id: 38,
  cost: 450,
  name: "Gollum",
  height: 147,
  weight: 22 
}];


console.log(arr.some(item => item.name === 'Blofeld'));
console.log(arr.some(item => item.name === 'Blofeld2'));

// search for object using lodash
const objToFind1 = {
  id: 21,
  cost: 250,
  name: "Blofeld",
  height: 216,

  weight: 54 
};
const objToFind2 = {
  id: 211,
  cost: 250,
  name: "Blofeld",
  height: 216,
  weight: 54 
};
console.log(arr.some(item => _.isEqual(item, objToFind1)));

console.log(arr.some(item => _.isEqual(item, objToFind2)));