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How does Silk Performer handle JavaScript code of a Web Application during replay?

How does Silk Performer handle JavaScript code of a Web Application during replay?

Silk Performer does not execute client-side JavaScript code on replay. The majority of JavaScript functions that are used in a web application are used to perform client-side actions such as "mouse over", "on-click" commands, and verification of form input data; in these type of scenarios the fact that the JavaScript code is not executed by Silk Performer will have no bearing on the network traffic generated to loadtest the server.

There may be a minor issue with timing in that it may take Java Script code a few seconds to be execute; therefore this period would need to be incorporated into a BDF script to reflect real world usage, however this capability is automatically available in Silk Performer through the coding of the "ThinkTime" function.

If the JavaScript dynamically creates form data, e.g. timestamps, etc it may be necessary to incorporate the JavaScript functionality into a script to enable successful replay. This can be done by converting the functionality of the JavaScript code into BDL (Benchmark Definition Language) format in Silk Performer so that the client-side behaviour will be implemented during replay.

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