/Javascript/AngularJS/Return index of array with function in array angular

Return index of array with function in array angular

const a = [
{ firstName: "Adam", LastName: "Howard" },
{ firstName: "Ben", LastName: "Skeet" },
{ firstName: "Joseph", LastName: "Skeet" }];

let index = a.findIndex(x => x.LastName === "Skeet");
console.log(index);

Source: stackoverflow.com

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