PPparas pandeyinreact-fundamentals.hashnode.dev·Apr 1 · 6 min readReact From ScratchWhat is React? React is an open-source JavaScript library for building user interfaces (UIs) ,developed and maintained by Meta (formerly Facebook) . It is a popular, component-based tool used to creat00
PPparas pandeyinasync-js-callbacks-promises.hashnode.dev·Feb 25 · 3 min readUnderstanding JavaScript Async: From Callbacks to Promises and the Event LoopCallbacks A Callback is a function that is passes as an argument to another functions. function fetchData(callback) { setTimeout(() => { console.log("Data fetched"); callback(); 00
PPparas pandeyinmap-filter-reduce-higher-order-functions.hashnode.dev·Feb 7 · 4 min readUnderstanding Higher-Order Functions and Array Methods in JavaScriptWhat Are Higher-Order Functions (HOFs)? A higher-order function is a function that: Takes another function as an argument function greet(){ return `Hi!`; } function greet_message(greeting,message){ console.log(`${greeting()} ${...00
