No, you cannot use/ignore script tabs by themselves or by switching them on/off. Script tabs are just a cosmetic separation between parts of the same script, to make it more manageable. The script is always executed sequentually, each tab in order and from first tab to the last tab.
You can however change your code to make execution conditional, by:
using IF THEN ELSE END IF statements that - depending on a condition or the value of a variable - will execute a part or all of your script, or
you can use Partial/Full reload to only ADD/REPLACE table data, or to simply wipe out everything and start all over again, or
you can use include files in your main script to add/remove script parts by simply renaming the containing files, or
by selecting part of your script and selecting Edit->Comment from the menu in the script editor, or
This has nothing to do with sheets or tabs. It has everything to do with how you would like to control the execution of your script. Do you prefer one variable to control execution of conditional blocks? Then you could use something like this:
// Prepare some constants
SET BLOCK1 = 1; // define individual bits as flags.
SET BLOCK2 = 2;
SET BLOCK3 = 4;
// Now flag the blocks that should be executed here:
LET vExecute = BLOCK1 + BLOCK3; // For example, just these two
// Now do what is needed.
// Ignore Execution variable for all code that should always run
Sorry, should have been bitand. I corrected the code example.
The bit operators can be used to test individual bits in a single value. I use these individual bits to indicate code blocks to be included in script execution. Makes the whole configuration easier to handle.
For example, the value BLOCK1 translates to 8-bit value 1 = 00000001. The value BLOCK3 translates to 8-bit value 4 = 00000100. Simply adding them produces binary value 00000101. BitAnd tests which flags are set, to figure out whether a specific block should be executed or not.
Nevermind, you alread found your solution. Good luck.