无jira任务 refactor: 修改声明

3 years ago · 9af54f5a6e
1 changed files with 1 additions and 1 deletions
--- a/typescript/core/ob.ts
+++ b/typescript/core/ob.ts
@ -21,7 +21,7 @@ export interface _OB {

    on(eventName: string, fn: Function): Function;

-    once(eventName: string, fn: Function): void;
+    once(eventName: string, fn?: Function): void;

    un(eName: string, fn: Function): void;