ladybird/Tests/LibWeb/Text/input/Worker/Worker-blob.html

<script src="../include.js"></script>
<script>
    asyncTest((done) => {
        const workerScript = `
            self.onmessage = function(evt) {
                self.postMessage('WHF! :^)');
            };
        `;
        const blob = new Blob([workerScript], { type: 'application/javascript' });
        const workerScriptURL = URL.createObjectURL(blob);
        const worker = new Worker(workerScriptURL);

        worker.onmessage = function(evt) {
            println('Message received from worker: ' + JSON.stringify(evt.data));
            done();
        };

        // Send a message to the worker
        worker.postMessage('Hello from main script');
    });
</script>