Chrome tab.create and tab.getSelected

Question

I have some problems to pass message from background page to my content_script.js. I hope someone can point out where i am wrong.

background.html

//in          


        

Answer 1

The background.html can be simplified to:

//in a function
function myFunction() {
    chrome.tabs.create({"url":"myurl","selected":true}, function(tab){
        makeRequest(tab.id);
    });
}

//make request
function makeRequest(tabId) {
    chrome.tabs.sendRequest(tabId, {greeting: "hello"}, function(response) {
        console.log(response.farewell); 
    });
}

If it still doesn't work correctly then it might be because the tab hasn't finished loading (log tab.status in the chrome.tabs.create callback to check if this is true). There are two solutions for this, or you add an listener to chrome.tabs.onUpdated while filtering for this tab id or you make the tab send the request instead of background.html.