In JavaScript, how to convert objects to arrays?
JavaScript objects can be transformed to array with Object.keys(), Object.values() or Object.entries():
-
Object.keys()returns an array of object keys [key] -
Object.values()returns an array containing the object values [values] -
Object.entries()returns an array containing the pairs keys and values [key, values]
Here is an example:
let myObj = { first:1, second:2 };
Object.keys() should display the keys:
// ["first", "second"]
console.log (Object.keys(myObj));
Object.values() should display the values:
// [1, 2]
console.log (Object.values(myObj));
Object.entries() should display the keys and values:
// 0: ["first", 1]
// 1: ["second", 2]
console.log (Object.entries(myObj));
JavaScript objects can be transformed to array with Object.keys(), Object.values() or Object.entries():
-
Object.keys()returns an array of object keys [key] -
Object.values()returns an array containing the object values [values] -
Object.entries()returns an array containing the pairs keys and values [key, values]
Here is an example:
let myObj = { first:1, second:2 };
Object.keys() should display the keys:
// ["first", "second"]
console.log (Object.keys(myObj));
Object.values() should display the values:
// [1, 2]
console.log (Object.values(myObj));
Object.entries() should display the keys and values:
// 0: ["first", 1]
// 1: ["second", 2]
console.log (Object.entries(myObj));
JavaScript objects can be transformed to array with Object.keys(), Object.values() or Object.entries():
-
Object.keys()returns an array of object keys [key] -
Object.values()returns an array containing the object values [values] -
Object.entries()returns an array containing the pairs keys and values [key, values]
Here is an example:
let myObj = { first:1, second:2 };
Object.keys() should display the keys:
// ["first", "second"]
console.log (Object.keys(myObj));
Object.values() should display the values:
// [1, 2]
console.log (Object.values(myObj));
Object.entries() should display the keys and values Object.entries()
// 0: ["first", 1]
// 1: ["second", 2]
console.log (Object.entries(myObj));
JavaScript objects can be transformed to array with Object.keys(), Object.values() or Object.entries():
-
Object.keys()returns an array of object keys [key] -
Object.values()returns an array containing the object values [values] -
Object.entries()returns an array containing the pairs keys and values [key, values]
Here is an example:
let myObj = { first:1, second:2 };
Object.keys() should display the keys:
// ["first", "second"]
console.log (Object.keys(myObj));
Object.values()should display the values:
// [1, 2]
console.log (Object.values(myObj));
Object.entries() should display the keys and values Object.entries()
// 0: ["first", 1]
// 1: ["second", 2]
console.log (Object.entries(myObj));
| # | ID | Query | URL | Count |
|---|---|---|---|---|
| 0 | 12358 | en | https://en.ans.wiki/44/in-javascript-how-to-convert-objects-to-arrays | 8 |