小编Kal*_*ale的帖子

我有一个 Service Worker 创建一个 Websocket 来监听通知，并且工作正常。我的问题是，当我尝试显示通知时，我无法显示。这是代码

function displayNotification(title, body, tag, url, actions) {
    if (Notification.permission == "granted") {
        if (title == undefined || title == null || title == "") title = "My site"
        if (body == undefined || body == null) body = ""
        if (tag == undefined || tag == "") tag = null
        if (url == undefined || url == null || url == "") url = "https://example.com/"
        if (actions == undefined || actions == null || …