Sublime Text
<!DOCTYPE html> <html> <body> <script> var a = 100; document.write(a++); document.write("<hr>"); document.write(a); </script> </body> </html>
<!DOCTYPE html> <html> <body> <script> var a = 100; document.write(a++); document.write("<hr>"); document.write(a); </script> </body> </html>