wehub-resource-sync
dde272c4b8
i18n - Build Validation / Validate i18n Builds (24) (push) Has been cancelled
CI - Node.js / Lint (24) (push) Has been cancelled
CI - Node.js / Build (24) (push) Has been cancelled
CI - Node.js / Test (24) (push) Has been cancelled
CI - Node.js / Test - Upcoming Changes (24) (push) Has been cancelled
CI - Node.js / Test - i18n (italian, 24) (push) Has been cancelled
CI - Node.js / Test - i18n (portuguese, 24) (push) Has been cancelled
CD - Docker - GHCR Images / Build and Push Images (push) Has been cancelled
72 lines
1.3 KiB
Markdown
72 lines
1.3 KiB
Markdown
---
|
|
id: 56bbb991ad1ed5201cd392cb
|
|
title: Manipulate Arrays With push Method
|
|
challengeType: 1
|
|
forumTopicId: 18237
|
|
dashedName: manipulate-arrays-with-push
|
|
---
|
|
|
|
# --description--
|
|
|
|
An easy way to append data to the end of an array is via the `push()` method.
|
|
|
|
The `push()` method takes one or more <dfn>arguments</dfn> and appends them to the end of the array, in the order in which they appear. It returns the new length of the array.
|
|
|
|
Examples:
|
|
|
|
```js
|
|
const arr1 = [1, 2, 3];
|
|
arr1.push(4, 5);
|
|
|
|
const arr2 = ["Stimpson", "J", "cat"];
|
|
arr2.push(["happy", "joy"]);
|
|
```
|
|
|
|
`arr1` now has the value `[1, 2, 3, 4, 5]` and `arr2` has the value `["Stimpson", "J", "cat", ["happy", "joy"]]`.
|
|
|
|
# --instructions--
|
|
|
|
Push `["dog", 3]` onto the end of the `myArray` variable.
|
|
|
|
# --hints--
|
|
|
|
`myArray` should now equal `[["John", 23], ["cat", 2], ["dog", 3]]`.
|
|
|
|
```js
|
|
assert(
|
|
(function (d) {
|
|
if (
|
|
d[2] != undefined &&
|
|
d[0][0] == 'John' &&
|
|
d[0][1] === 23 &&
|
|
d[2][0] == 'dog' &&
|
|
d[2][1] === 3 &&
|
|
d[2].length == 2
|
|
) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
})(myArray)
|
|
);
|
|
```
|
|
|
|
# --seed--
|
|
|
|
## --seed-contents--
|
|
|
|
```js
|
|
// Setup
|
|
const myArray = [["John", 23], ["cat", 2]];
|
|
|
|
// Only change code below this line
|
|
|
|
```
|
|
|
|
# --solutions--
|
|
|
|
```js
|
|
const myArray = [["John", 23], ["cat", 2]];
|
|
myArray.push(["dog",3]);
|
|
```
|