how can search in object in array

1let arr = [
2    { name:"string 1", value:"this", other: "that" },
3    { name:"string 2", value:"this", other: "that" }
4];
5
6let obj = arr.find(o => o.name === 'string 1');
7
8console.log(obj);

1myArray.findIndex(x => x.id === '45');