What are the differences between callbacks and event emitters?

Mar 4, 2023 ... . This is the OptanonWrapper callback function. A callback function is a function ... A Promise is an object returned by the asynchronous method call that allows you to access information on the eventual success or failure of the operation that ... Jun 18, 2022 ... ... call new functions from the script, we should write that in the callback: loadScript ( '/my/script.js' , function ( ) { // the callback runs ... Feb 23, 2022 ... This article covers the following list of methods... 1. forEach() Accepts a callback function and executes the given function once for each element of the array. Callbacks. LangChain provides a callbacks system that allows you to hook into the various stages of your LLM application. This is useful for logging, ...