get object key in javascript code example

Example 1: get keys objet javascript

var foo = {
  'alpha': 'puffin',
  'beta': 'beagle'
};

var keys = Object.keys(foo);
console.log(keys) // ['alpha', 'beta'] 
// (or maybe some other order, keys are unordered).

Example 2: js get object keys

myObject = {
	"key": "value"
}

Object.keys(myObject); // get array of keys

Example 3: get all keys of object in javascript

myObject = {
	"key": "value",
    "key2":"value2"
}
Object.keys(myObject);
//console.log(Object.keys(myObject))   = ["key", "key2"]

Example 4: js select keys from object

const object = { a: 5, b: 6, c: 7  };
const picked = (({ a, c }) => ({ a, c }))(object);

console.log(picked); // { a: 5, c: 7 }

Example 5: get keys of object js

var buttons = {
  foo: 'bar',
  fiz: 'buz'
};

for ( var property in buttons ) {
  console.log( property ); // Outputs: foo, fiz or fiz, foo
}