JavaScript, 4 bytes

~$ cat main.js
+1/0
~$ nodejs main.js
Infinity

I think this is the shortest possible JS solution without ES6 :P

JavaScript, 4 bytes

+1/0

Prints Infinity

I think this is the shortest possible JS solution without ES6 :P

JavaScript, 4 bytes

~$ cat main.js
+1/0
~$ nodejs main.js
Infinity

I think this is the shortest possible JS solution without ES6 :P

JavaScript, 3 bytes

1e5

This solution is by molarmanful source. molarmanful, if you read this, please post your own answer with it and delete this part.

JavaScript, 4 bytes

~$ cat main.js
+1/0
~$ nodejs main.js
Infinity

I think this is the shortest possible JS solution without ES6 :P

JavaScript, 4 bytes

~$ cat main.js
+1/0
~$ nodejs main.js
Infinity

I think this is the shortest possible JS solution without ES6 :P

JavaScript, 4 bytes

~$ cat main.js
+1/0
~$ nodejs main.js
Infinity

I think this is the shortest possible JS solution without ES6 :P

JavaScript, 3 bytes

1e5

This solution is by molarmanful source. molarmanful, if you read this, please post your own answer with it and delete this part.