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- var array1 = [ "要素2", "要素3", "要素4", "要素5" ];
- var array2 = [ 2, 3, 4, 5 ];
- var array3 = [ "b", "c", "d", "e" ];
- array1.splice(1, 0, "要素1"); //指定した位置に要素を追加します
- array2.splice(2, 1, 1); //指定した位置に要素を追加します
- array3.splice(1, 2, "a"); //指定した位置に要素を追加します
- console.log(array1);
- console.log(array2);
- console.log(array3);
- //console.log()の結果
- //array1 → ["要素2", "要素1", "要素3", "要素4", "要素5"]
- //array2 → [2, 3, 1, 5];
- //arary3 → ["b", "a", "e"]
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