我不确定为什么这个正则表达式不能正常工作。我想验证输入是否采用以下格式:
var validate_numbers = /^\s*\d{8}\s*\+*(,\s*\d{8},*)?$/;
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谢谢
我正在使用Firebase服务工作程序进行Web推送通知.目前,我正面临这样的错误:
Uncaught FirebaseError: Messaging: This method is available in a Window context. (messaging/only-available-in-window).
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我在桌面上使用网站注册SW.我该如何解决这个问题?
错误堆栈我进入控制台.
browserErrorMessage: "Failed to register a ServiceWorker: ServiceWorker script evaluation failed"
code :"messaging/failed-serviceworker-registration"
message :"Messaging: We are unable to register the default service worker. Failed to register a ServiceWorker: ServiceWorker script evaluation failed (messaging/failed-serviceworker-registration)."
stack: "FirebaseError: Messaging: We are unable to register the default service worker. Failed to register a ServiceWorker: ServiceWorker script evaluation failed (messaging/failed-serviceworker-registration).? at https://www.gstatic.com/firebasejs/3.7.0/firebase.js:555:225"
__proto__: Error
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谢谢
javascript push-notification web firebase firebase-cloud-messaging