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CSSStyleDeclaration JS Conversion


JavaScript配列push()

配列に新しいアイテムを追加します。

const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.push("Kiwi");

配列に2つの新しいアイテムを追加します。

const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.push("Kiwi", "Lemon");

定義と使用法

このメソッドは、配列の最後push()に新しい項目を追加します。

このpush()メソッドは、配列の長さを変更します。

このpush()メソッドは新しい長さを返します。


構文

array.push(item1, item2, ..., itemX)

パラメーター

Parameters Description
item1
item2
..
itemX
The item(s) to add to the array.
Minimum one item is required.

戻り値

タイプ 説明
配列の新しい長さ。


ブラウザのサポート

push ECMAScript1(ES1)機能です。

ES1(JavaScript 1997)は、すべてのブラウザーで完全にサポートされています。

Chrome IE Edge Firefox Safari Opera
Yes Yes Yes Yes Yes Yes

その他の例

配列に3つのアイテムを追加します。

const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.push("Kiwi", "Lemon", "Pineapple");

push() 新しい長さを返します:

const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.push("Kiwi");