Answers for "find array of object key"

retrieve object array value based on key

let arr = [
    { name:"string 1", value:"this", other: "that" },
    { name:"string 2", value:"this", other: "that" }
];

let obj = arr.find(o => o.name === 'string 1');

console.log(obj);

How can I find the keys of an object?

var obj = { "a" : 1, "b" : 2, "c" : 3};
alert(Object.keys(obj)); 
// will output ["a", "b", "c"]