entries js code example

Example 1: javascript iterate over object keys and values

const object1 = {
  a: 'somestring',
  b: 42
};

for (let [key, value] of Object.entries(object1)) {
  console.log(`${key}: ${value}`);
}

// expected output:
// "a: somestring"
// "b: 42"
// order is not guaranteed

Example 2: for key value in object javascript

for (const [key, value] of Object.entries(object1)) {
  console.log(`${key}: ${value}`);
}

Example 3: js entries

const object1 = { a: 'somestring', b: 42 };
for (const [key, value] of Object.entries(object1)) {
  console.log(`${key}: ${value}`);
} // expected output: "a: somestring" "b: 42" order is not guaranteed

Example 4: 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
}