Freaks City

Promise.all Promise.all combines multiple promises into a single promise that resolves when all of the input promises resolve, or rejects as soon as any one of them rejects. When all promises succeed, the resolved value is an array containing results in the same order as the input promises—regardlless of completion timing. If any promise fails, ...

Process, Thread, and Multi-threading Concepts A process represents all computing resources consumed by a running program. A thread is the smallest unit of program execution flow, dependent on processes, where one process can contain multiple threads. Multi-threading involves multiple execution flows running simultaneously: CPU operations utili ...

1. Callbacks Callbacks involve passing a function as an argument to another function. They were one of the earliest and most commonly used methods for handling asynchronous operations in JavaScript. Callbacks are not inherently asynchronous; they are simply a pattern for deferred execution. Example: function delayedTask(callback) { setTimeout ...