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Basic communication between a Background Page and a Content Script inside a Chrome Extension.
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| // In Background.js | |
| chrome.tabs.sendMessage(tab.id, {content: "message"}, function(response) { | |
| if(response) { | |
| //We do something | |
| } | |
| }); | |
| // In ContentScript.js | |
| chrome.extension.onMessage.addListener(function(request, sender, sendResponse) { | |
| if(request.content) { | |
| sendResponse({content: "response message"}); | |
| return true; // This is required by a Chrome Extension | |
| } | |
| }) |
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