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Articles tagged with #chaicode
JavaScript gives us many built-in string methods like split(), includes(), trim(), toUpperCase(), and more.Most developers use them every day — but in interviews, you may be asked something deeper: Ca
1) What this Represents In JavaScript, this refers to the object that is calling the function. -->> Simple way to remember:this = “Who called me?” It does not always mean the same thing.Its value chan
In JavaScript, Map and Set are built-in object types introduced in ES6 (ECMAScript 2015) for managing collections of data efficiently. JavaScript provides many built-in data structures, and two very u
JavaScript is single-threaded, but it often needs to handle tasks that take time—like fetching data from an API, reading a file, or waiting for a timer. If JavaScript waited for each task to finish be
Understanding Blocking and Non-Blocking Code JavaScript can run code in two different ways: Synchronous Asynchronous If you understand this topic well, then concepts like: callbacks promises as
In JavaScript, we often work with arrays and objects. Normally, to get values from them, we write repetitive code like this: const user = { name: "Ritu", age: 30 }; const name = user.name; const age =
