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| -rw-r--r-- | files/ja/web/javascript/reference/global_objects/number/parseint/index.md | 8 |
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diff --git a/files/ja/web/javascript/reference/global_objects/number/parseint/index.md b/files/ja/web/javascript/reference/global_objects/number/parseint/index.md index faad87b6e5..0076287b76 100644 --- a/files/ja/web/javascript/reference/global_objects/number/parseint/index.md +++ b/files/ja/web/javascript/reference/global_objects/number/parseint/index.md @@ -39,14 +39,6 @@ Number.parseInt(string, radix) `radix` が `2` よりも小さいか `36` よりも大きい、または最初のホワイトスペース以外の文字が数値に変換できない場合は {{jsxref("NaN")}} が返されます。 -## ポリフィル - -```js -if (Number.parseInt === undefined) { - Number.parseInt = window.parseInt -} -``` - ## 例 ### Number.parseInt と parseInt |