1.7

Tip
Be aware that scripts run in a specific order (see "The script flow: when scripts run" on page585).
When one script unintentionally influences the results of another script, changing the order of the
scripts in the Scripts pane may help (see "Changing the order of execution" on page557).
Test for speed issues
To measure the time that the execution of scripts will take:
l
On the Context menu, click Profile scripts.
Profiling means running the scripts in the template, to see how fast scripts in the Scripts pane
execute. It helps greatly in troubleshooting performance issues caused by scripts.
After running the Script Profiler you can see in which sections the script has run:
l
Hover the mouse over a value in the column Count to see the number of times that the
script has run, per section.
You can also see the breakdown of the execution time across different execution stages:
l
Hover the mouse over a value in the column Elapsed to see the time elapsed (in
milliseconds) since the start of the session. In the Scripts Profiler, the scripts are by
default sorted based on the values in the Elapsed column, from high to low.
l
Hover the mouse over a value the column Delta to see the difference between the time
elapsed (in milliseconds) in the previous session and in the current session.
The script execution stages are:
Query: the time it takes to find the selector in the template.
Tip
Looking for text is a rather lengthy operation. Use an ID (possibly in combination with a
text) instead of a text selector to make the query faster. For more tips, see "Optimizing
Page 562