VBScript, JavaScript, C # reference notes for some functions

1. Mid
Index starts from 1
Vs JS: substring, index from 0
Vs C #: substring index from 0

2. The Chinese Characters in JS sometimes become garbled during browser interpretation, so that even if the JS Code is completely correct
JavaScript code is no longer usable after the browser interprets the garbled characters.
It's okay to dive into JS Code from Chinese on the page, and pour <SCRIPT src = "My. JS "...> </SCRIPT> my. JS contains Chinese characters, so it will take a long time for debugging. Although I have encountered it before, I have forgotten it for a long time. I will take a note here today.