Run JavaScript Action(Power Automate Desktop)
This Action that executes arbitrary JavaScript. (Browser-independent)
This is effective for processing that would be difficult to handle with actions alone, but because it involves entering the program code itself, it is recommended that it be used only minimally in environments used by non-systems engineers.
However, complex conditional expressions are too large to be built with actions, so there are cases where code is more appropriate.
How to use
Drag "Run JavaScript" from "Scripting" under "Actions".
Set parameters.
Parameter
JavaScript to run
Specify the JavaScript code to be executed.
Power Automate Desktop variables are available in this (enclose the variable name in %).
Then, the basic form is to receive the results in JavaScriptOutput of Variables produced by WScript.StdOut.
In this example, the result is the Power Automate Desktop variable (NewVar) plus 5.
It is possible to read the value of a Power Automate Desktop variable.
However, it is not possible to set the value in reverse (a runtime error will occur).
In VB Script, msgbox could display the dialog, but alert in JavaScript did not work because of an error.
consoloe.log also had an error as well.
Variables produced
Stores the result of executing "JavaScript to run".
JavaScriptOutput
The results of JavaScript execution and standard output are stored.
The standard output is set when the code is specified as follows.
WScript.StdOut.Write(content);
This can be used to return calculation results to flow.
ScriptError
JavaScript error output (WScript.StdErr.Write), runtime errors and syntax errors are set.
WScript.StdErr.Write(content);
In addition to the specified contents, runtime and syntax errors will be added.
For those who want to learn Power Automate Desktop effectively
The information on this site is now available in an easy-to-read e-book format.
Or Kindle Unlimited (unlimited reading).
You willl discover how to about basic operations.
By the end of this book, you will be equipped with the knowledge you need to use Power Automate Desktop to streamline your workflow.