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/aggregateerror/index.html | 106 +++++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 files/zh-cn/web/javascript/reference/global_objects/aggregateerror/index.html (limited to 'files/zh-cn/web/javascript/reference/global_objects/aggregateerror') diff --git a/files/zh-cn/web/javascript/reference/global_objects/aggregateerror/index.html b/files/zh-cn/web/javascript/reference/global_objects/aggregateerror/index.html new file mode 100644 index 0000000000..ddc0486653 --- /dev/null +++ b/files/zh-cn/web/javascript/reference/global_objects/aggregateerror/index.html @@ -0,0 +1,106 @@ +--- +title: AggregateError +slug: Web/JavaScript/Reference/Global_Objects/AggregateError +translation_of: Web/JavaScript/Reference/Global_Objects/AggregateError +--- +
+

{{JSRef}}{{Draft}}{{SeeCompatTable}}

+
+ +

AggregateError当多个错误​​需要包装在一个错误中时，该对象表示一个错误。

+ +

语法

+ +
new AggregateError(errors[, message])
+ +

参数

+ +
+
errors
+
错误的描述，默认为空。
+
message{{Optional_Inline}}
+
AggregateError错误的提示信息。
+
+ +

描述

+ +

一个AggregateError当需要由操作报告多个错误被抛出，例如通过Promise.any()，在传递给它的所有Promise拒绝。

+ +

属性

+ +
+
AggregateError.prototype
+
AggregateError的原型
+
+ +

AggregateError 实例

+ +

实例属性

+ +
+
AggregateError.prototype.constructor
+
指定创建实例原型的函数。
+
{{JSxRef("Error.prototype.message", "AggregateError.prototype.message")}}
+
错误消息，默认为""。
+
{{JSxRef("Error.prototype.name", "AggregateError.prototype.name")}}
+
错误名称，默认为"AggregateError"。
+
+ +

示例

+ +

捕获一个AggregateError

+ +
Promise.any([
+  Promise.reject(new Error("some error")),
+]).catch(e => {
+  console.log(e instanceof AggregateError); // true
+  console.log(e.message);                   // "All Promises rejected"
+  console.log(e.name);                      // "AggregateError"
+  console.log(e.errors);                    // [ Error: "some error" ]
+});
+
+ +

创建一个AggregateError

+ +
try {
+  throw new AggregateError([
+    new Error("some error"),
+  ], 'Hello');
+} catch (e) {
+  console.log(e instanceof AggregateError); // true
+  console.log(e.message);                   // "Hello"
+  console.log(e.name);                      // "AggregateError"
+  console.log(e.errors);                    // [ Error: "some error" ]
+}
+
+ +

规范

+ + + + + + + + + + + + + + +
SpecificationStatusComment
ESNext Promise.any ProposalStage 3 DraftInitial definition.
+ +

浏览器兼容性

+ +
+ + +

{{Compat("javascript.builtins.AggregateError")}}

+
+ +

相关链接

+ + -- cgit v1.2.3-54-g00ecf