Google browser plug-in development tutorial 3

Google browser plug-in development tutorial 3

background.js use

{
    "name": "todo-plugin",
    "version": "0.9.0",
    "manifest_version": 2,
    "description": "chrome plugin demo",
    "browser_action": {
        "default_icon": "icon.png",
        "default_title": "Todo List" ,
         " Default_popup " : " popup.html " 
    }, 
    " content_scripts " : [{   // page content to operate script 
         " The matches " : [ " HTTP: // * / * " , " HTTPS: // * / * " ],   // what conditions the implementation of the plug-in 
         " JS " : [ " jquery.min.js " , " test.js " ] 
    }], 
    " background " :
    {
    "scripts":["jquery.min.js","background.js"]
    }
    
}

background.js

function test(){
    alert("test");
}

$ (function () {
     // first obtaining background page 
var BG = chrome.extension.getBackgroundPage ();
 // recall function in which background.js object returned 
bg.test (); 
  chrome.tabs.query ( Active {: to true , currentWindow: to true }, function (tab) { // get the current tab
             // to send a request tab 
            chrome.tabs.sendMessage (tab [ 0 ] .id, { 
                Action: " send " , 
                keyword: " key the word " 
            }, function (Response) {  
                the console.log (Response);
            }); 
        }); 
})

code, as test.js 

 

Such test.js can communicate with the background.js

 

ps:background.js Global variables will not be destroyed in the browser is running.

 

Click the pop-up is not a test? ?