About this document
JavaScript Variables and Events Quiz by Tanveer Abbas is a document available to read on EtoBox.
Global variables in JavaScript are deleted when the browser closes the page. Assigning a value to an undeclared variable makes it a global variable. JavaScript can react to HTML events such as page loaded, button clicked, and input changed, allowing it to execute code when an event occurs.
- Author
- Tanveer Abbas
- Language
- EN