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こんにちは、次のエラーが表示されます:行 3 の文字 14 に問題があります: 未定義の暗黙のグローバルのプロパティ 'first' を設定できません: $ 2作業スクリプトjsFiddle を確認してください よろしくお願いします

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This seems to fix it for jsFiddle (although I think the error was more of some kind of JSLint warning as your code appeared to be working fine) - replace:

for (var i = 1; i <= num; i++) {

with:

var i = 1;
for (; i <= num; i++) {

Although, I would stick with your original code - remember jsFiddle is just an Alpha version.

于 2011-08-03T23:18:23.680 に答える