How can increase the functionality of the JSL script editor?

lala

1, in this script range, automatically highlight other content that is the same as the selected content;
2. How do I change the background color of the selected content when the script editor is in dark mode?

 

Thanks!

lala

Names Default To Here( 1 );
dt = Open( "$SAMPLE_DATA/Big Class.jmp" );
New Window( "Col List Box Example",
	Col List Box( all, width( 250 ), maxSelected( 1 ) ),
	fontobj = lb = Col List Box()
);
lb << Set Selected( 1 );
lb << Set Selected( 2 );
Wait( 1 );
lb << Clear Selection;