Method of Adding Local Variables In Place of Global in JavaScript

摘要

The present invention, in some embodiments thereof comprises a computer implemented method of detecting global variables in JavaScript code, and adding local variables in place of the global variables, comprising receiving a JavaScript code containing at least one of a plurality of globally defined functions, identifying at least one of: one or more confined global variables which receive a value within a first JavaScript scope wherein the value is not referenced outside of the first JavaScript scope, and one or more repeating global variables accessed repeatedly within a second JavaScript scope, and adding local variables in place of at least one of the confined global variables and the repeating global variables.