How to display all JavaScript global variables with static code analysis?

Question

I know that I can type into Chrome or FF the following command:

Object.keys(window);

but this displays DHTMLX stuff and also function names in w

Answer 1

I found a very good solution to list all the global variables with the jsl command line tool:

Here is the documentation

I just have to put /*jsl:option explicit*/ into each file that I want to check. Then it is enough to run ./jsl -process | grep 'undeclared identifier'

It is also possible to use referenceFile that contains some intentional global variables /*jsl:import */ so these variables will not be listed.