JavaScript Typing Unlike strongly typed programming languages such as C#, JavaScript is loosely typed and allows you to assign any data type to a variable without giving the variable a specific type.

Chrome also supports using these new custom variables in JavaScript without any issues. CSS variables are very new though have been in the works for years — but they’re not widely supported yet.

JavaScript vulnerabilities are on the rise in India with the entry of HTML5 and faster JavaScript engines. Here are some key problem areas along with antidotes.