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Callbacks A callback function is a function passed as an argument to another function and executed later. function fetchData(callback) { ...
» Asynchronous JavaScript is a programming technique that allows certain operations to be executed without blocking the main thread (the execution...
Function borrowing allows us to use the methods of one object on a different object without having to make a copy of that method and maintain it in...
this is a special keyword in JavaScript that refers to the object that is executing the current function. Its value depends on how the function is...
map() The map() method creates a new array by applying a function to each element of an existing array. It does not modify the original array. It...
What is DOM ? » The Document Object Model (DOM) is a programming interface that represents the structure of an HTML or XML document as a tree-like...