JavaScript: String And Math Functions

Introduction of JAVAScript as an alternate scripting languages in Loadrunner version 12.50  gives the flexibility to the Performance Test Engineers to leverage the capabilities of existing JAVAScript functions to code various custom logics. 

I am going to describe couple of pre built JAVAScript String and Math functions which will make your life bit easier. 

Date.js
Working with dates are always tricky. So many dots, slashes and formats. Datejs is a stunning library for simple to complex date functions. It can parse dates like: “Next thursday”, “+2 years” and all formats like 2009.01.08, 12/6/2001 etc.

Sylvester
This is a JavaScript library for doing vector and matrix math easily, without using a lot of loops and getting lost between arrays. It includes classes for modelling vectors and matrices in any number of dimensions and for modelling infinite lines and planes in 3D space.

Pretty Date 
A smart JavaScript solution for displaying dates within the past month in a prettier and more user-friendly way. It displays dates relative to the current time; for example, “Yesterday,” “3 hours ago,” etc.

XRegExp
Regular expressions can be already used in JavaScript with the RegExp object.XRegExp adds more power to RegExp with features that will be part of the browsers of tomorrow (according to proposals for ECMAScript 4 – ES4). Using the library, RegExp objects can be cached and reused, modifiers can be added to existing RegExp objects and more.

JavaScript URL Library
A library for handling and manipulating URLs more easily. It is possible to reach every part of a URL as a string and modify it when needed. This URL library is very new but already works as mentioned.