Scope in JavaScript refers to context (or portion) of the code which determines the accessibility (visibility) of variables. In JavaScript, we have two types of scope, local , and global .

JavaScript variables hold a wide variety of information and can be used with virtually any data type. Here's how to use variables to store numbers, text strings, objects, and more.

All of this means, assuming the above JavaScript code was placed on a web server, reachable at host:8080, an attacker could sneak in a GET parameter representing the invisible variable, in its URL ...

I'm writing a Javascript to validate a form. The form is created dynamically and has a grid of dropdown menus, in a square.(3x3 or 5x5, for now) I want to create a loop that will go through each ...

The "+=" operator tells JavaScript to add the variable on the right side of the operator to the variable on the left. Floating-Point Addition Floating-point numbers, such as 1.234, contain decimal ...

Hello,<BR><BR>I'm using some JavaScript and a cookie to gather general user information and then pass it to another page which in turn uses JavaScript to write the variable data into a form text ...