Streamline your JavaScript code with top-level await: 
JavaScript is a popular programming language that started out as a single-threaded, synchronous language, meaning that one step runs after another step without waiting to fetch any external resources or perform any lengthy calculation or process. If the script requires such a resource or calculation, this synchronous behavior results in an error. This blocks all other processes in the queue from running whether or not they were dependent on the step that produced the error.
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