From 167bc67cbe3c274ba922780af240f59974c56aca Mon Sep 17 00:00:00 2001 From: Bierxiensi <40264423+Bierxiensi@users.noreply.github.com> Date: Wed, 19 Jan 2022 01:08:52 +0800 Subject: zh-cn translate in sample code (#3681) --- .../web/javascript/reference/global_objects/object/tostring/index.html | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'files') diff --git a/files/zh-cn/web/javascript/reference/global_objects/object/tostring/index.html b/files/zh-cn/web/javascript/reference/global_objects/object/tostring/index.html index af2c721813..7ff9cdb557 100644 --- a/files/zh-cn/web/javascript/reference/global_objects/object/tostring/index.html +++ b/files/zh-cn/web/javascript/reference/global_objects/object/tostring/index.html @@ -32,7 +32,7 @@ translation_of: Web/JavaScript/Reference/Global_Objects/Object/toString
每个对象都有一个 toString()
方法,当该对象被表示为一个文本值时,或者一个对象以预期的字符串方式引用时自动调用。默认情况下,toString()
方法被每个 Object
对象继承。如果此方法在自定义对象中未被覆盖,toString()
返回 "[object type]",其中 type
是对象的类型。以下代码说明了这一点:
var o = new Object(); -o.toString(); // returns [object Object] +o.toString(); // 返回 [object Object]
toString()
调用 {{jsxref("null")}} 返回[object Null]
,{{jsxref("undefined")}} 返回 [object Undefined]
。请参阅下面的{{anch("Using_toString()_to_detect_object_class", "使用 toString()
检测对象类型")}}。