What's the best way to handle async elements?

[Russ_Thomas]

Next time, try the Search facility:

How does one get Katalon to handle asynchronous executeJavaScript calls?

I am leveraging WebUI.executeJavaScript to retrieve web timing events that I currently have as JavaScript snippets in my browser console, the JavaScript in the jsCommandString below works correctly when executed in a browser console, however in Katalon it returns a zero which indicates that it’s not waiting for the promise to complete. How can I get the promise to complete within Katalon before moving on to the next step? //Calculate First Byte [needs work] jsCommandString = "new PerformanceO…