use 'tex2svg' cannot generate formula correctly

[Air-EL]

command is:

cd simple
node -r esm tex2svg e^{2} > a.svg

the result is

but I want

[dpvc]

Your commands work properly for me. What OS are you using, and what command shell? it may be that the ^ has a special meaning in your shell, and is not being passed to tex2svg. Try

node -r esm tex2svg "e^{2}" > a.svg

or

node -r esm tex2svg 'e^{2}' > a.svg

and see if one of those works.