Asynchronous programming in JavaScript leverages features like callbacks, promises and async/await to sidestep this issue by allowing other code to run in the meantime.

JavaScriptコミュニティ、特にNode.jsコミュニティは、このことに気づいている。 Node.jsでは非同期コードが重要になるためだ。

What is AJAX (Asynchronous JavaScript and XML)? AJAX (Asynchronous JavaScript and XML) is a technique aimed at creating better and faster interactive web apps by combining several programming tools, ...

While JavaScript itself is single-threaded, many JavaScript functions have supported asynchronous processing through callbacks (the variations on the jQuery AJAX function are just the most obvious ...

The WebAssembly JavaScript Promise Integration API suspends a Wasm application when it issues a synchronous API call and resumes it when the asynchronous I/O operation is completed.

Assuming the hypothetical "async" function is completely unmodifiable library code, what can I do in "myFunc" to ensure that "a" gets properly set to "step 2" before the function returns?