小编som*_*wer的帖子

我试图运行tabs.sendMessage()MDN 页面上给出的示例代码。所以我的代码是：

清单.json：

{
    "manifest_version": 2,
    "name": "test1",
    "version": "1.0",
    "description": "test",
    "icons": {
        "48": "icons/Ruler48.png"
    },
    "permissions": [
        "notifications",
        "tabs",
        "activeTab"
    ],
    "browser_action": {
        "default_icon": "icons/Ruler48.png",
        "default_title": "test"
    },
    "content_scripts": [{
        "matches": ["*://*/"],
        "js": ["content-script.js"]
    }],
    "background": {
        "scripts": ["bgS.js"]
    }
}

bgS.js：

function onError(error) {
  console.error(`Error: ${error}`);
}

function sendMessageToTabs(tabs) {
  for (let tab of tabs) {
    console.log(tab.id);
    browser.tabs.sendMessage(
      tab.id,
      {greeting: "Hi from background script"}
    ).then(response => {
      console.log("Message from the content script:");
      console.log(response.response); …