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''' == |