If an event handler (for example, onclick) is specified on an element in the HTML source, the JavaScript code in the attribute value is effectively wrapped in a handler function that binds the value of this in a manner consistent with the addEventListener

A global variable, window, representing the window in which the script is running, is exposed to JavaScript code. The Window interface is home to a variety of functions, namespaces, objects, and constructors which are not necessarily directly associated w

A function's this keyword behaves a little differently in JavaScript compared to other languages. It also has some differences between strict mode and non-strict mode. In most cases, the value of this is determined by how a function is called (runtime