JavaScript 配列 新しいページはコチラ
提供: yonewiki
(→抽出 slice) |
(→抽出 slice) |
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| 250行: | 250行: | ||
という感じで指定します。サンプルは以下の通りです。 | という感じで指定します。サンプルは以下の通りです。 | ||
| + | <syntaxhighlight lang="javascript" line start="1"> | ||
| + | <HTML> | ||
| + | <HEAD> | ||
| + | <TITLE>JavaScript Array slice</TITLE> | ||
| + | </HEAD> | ||
| + | <BODY> | ||
| + | JavaScript Array slice<br /> | ||
| + | <SCRIPT Language="JavaScript"> | ||
| + | <!-- | ||
| + | NewDataArr = new Array(); | ||
| + | Data1Arr = new Array("今日は","大安","吉日","です。"); //定義 | ||
| + | |||
| + | |||
| + | document.write("NewDataArr = ", | ||
| + | NewDataArr[0], ",", | ||
| + | NewDataArr[1], ",", | ||
| + | NewDataArr[2], ",", | ||
| + | NewDataArr[3], ",", | ||
| + | NewDataArr[4], ",", | ||
| + | NewDataArr[5], ",", | ||
| + | NewDataArr[6], ",", | ||
| + | NewDataArr[7], "<br />"); | ||
| + | |||
| + | document.write("Data2Arr = ", | ||
| + | Data1Arr[0], ",", | ||
| + | Data1Arr[1], ",", | ||
| + | Data1Arr[2], ",", | ||
| + | Data1Arr[3], "<br />"); | ||
| + | |||
| + | NewDataArr = Data1Arr.slice(1,3); | ||
| + | |||
| + | document.write("NewDataArr = ", | ||
| + | NewDataArr[0], ",", | ||
| + | NewDataArr[1], ",", | ||
| + | NewDataArr[2], ",", | ||
| + | NewDataArr[3], ",", | ||
| + | NewDataArr[4], ",", | ||
| + | NewDataArr[5], ",", | ||
| + | NewDataArr[6], ",", | ||
| + | NewDataArr[7], "<br />"); | ||
| + | |||
| + | document.write("Data2Arr = ", | ||
| + | Data1Arr[0], ",", | ||
| + | Data1Arr[1], ",", | ||
| + | Data1Arr[2], ",", | ||
| + | Data1Arr[3], "<br />"); | ||
| + | |||
| + | --> | ||
| + | </SCRIPT> | ||
| + | </BODY> | ||
| + | </HTML> | ||
| + | </syntaxhighlight> | ||
| + | |||
| + | [[Media:JavaScript Array slice.html|サンプル実行結果]] | ||
== '''複数要素の置換 splice''' == | == '''複数要素の置換 splice''' == | ||
