Intl.NumberFormat 抛出错误“Uncaught RangeError：无效的货币代码”

Question

我想编写一个格式函数来显示欧元价格，但它会引发错误。怎么了？

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const formatVal = val => new Intl.NumberFormat("de-DE", {\n  style: "currency",\n  currency: "\xe2\x82\xac"\n}).format(val)\n\nformatVal(456)

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抛出的错误：

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未捕获的 RangeError：无效的货币代码：\xc3\xa2\xc2\xac

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Answer 1

将 \xe2\x82\xac 更改为 EUR

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const formatVal = val => new Intl.NumberFormat("de-DE", {\n  style: "currency",\n  currency: "EUR"\n}).format(val)\n\nconsole.log(formatVal(456))

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