From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001 From: Peter Bengtsson Date: Tue, 8 Dec 2020 14:40:17 -0500 Subject: initial commit --- .../global_objects/symbol/@@toprimitive/index.html | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 files/zh-cn/web/javascript/reference/global_objects/symbol/@@toprimitive/index.html (limited to 'files/zh-cn/web/javascript/reference/global_objects/symbol/@@toprimitive') diff --git a/files/zh-cn/web/javascript/reference/global_objects/symbol/@@toprimitive/index.html b/files/zh-cn/web/javascript/reference/global_objects/symbol/@@toprimitive/index.html new file mode 100644 index 0000000000..3a4624f560 --- /dev/null +++ b/files/zh-cn/web/javascript/reference/global_objects/symbol/@@toprimitive/index.html @@ -0,0 +1,55 @@ +--- +title: 'Symbol.prototype[@@toPrimitive]' +slug: Web/JavaScript/Reference/Global_Objects/Symbol/@@toPrimitive +translation_of: Web/JavaScript/Reference/Global_Objects/Symbol/@@toPrimitive +--- +
{{JSRef}}
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[@@toPrimitive]() 方法可将 Symbol 对象转换为原始值。

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语法

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Symbol()[Symbol.toPrimitive](hint);
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返回值

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该原始值为指定的 {{jsxref("Symbol")}} 对象

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描述

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 {{jsxref("Symbol")}} 的 [@@toPrimitive]() 方法返回该 Symbol 对象原始值作为 Symbol 数据形式。 hint 参数未被使用。

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JavaScript 调用 [@@toPrimitive]() 方法将一个对象转换为原始值表示。你不需要自己调用 [@@toPrimitive]() 方法;当对象需要被转换为原始值时,JavaScript 会自动地调用该方法。

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规范

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SpecificationStatusComment
{{SpecName('ES6', '#sec-symbol.prototype-@@toprimitive', 'Symbol.prototype.@@toPrimitive')}}{{Spec2('ES6')}}Initial definition.
{{SpecName('ESDraft', '#sec-symbol.prototype-@@toprimitive', 'Symbol.prototype.@@toPrimitive')}}{{Spec2('ESDraft')}}
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浏览器兼容性

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{{Compat("javascript.builtins.Symbol.@@toPrimitive")}}

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参考资料

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