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Inter-Tab Communication: A Comprehensive Guide
Communication between multiple tabs or windows within the same browser domain poses a challenge for developers seeking a seamless and trace-free exchange of information. While various solutions exist, they often face limitations or impracticalities.
Traditional Approaches
Modern Solution: Broadcast Channel API
Modern browsers offer a dedicated API for inter-tab communication: Broadcast Channel. This API addresses the drawbacks of traditional methods, providing a straightforward and reliable solution:
var bc = new BroadcastChannel('test_channel'); bc.postMessage('This is a test message.'); // Send bc.onmessage = function (ev) { console.log(ev); } // Receive
Broadcast Channel supports a wide range of data objects through its structured clone algorithm, eliminating the need for manual serialization. It is supported by major browsers and has a polyfill available for legacy browser compatibility.
By leveraging Broadcast Channel, developers can establish efficient and reliable communication between tabs and windows within the same domain, empowering them to create seamless and interactive web experiences.
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