Keyboard Genie for stock software (phpjs)

The keyboard Genie (phpjs) of the stock software is to implement the keyboard Genie of the stock software. data is stored in html using js and php. Is there any code for this implementation? How to implement it?

Reply to discussion (solution)

If your market data comes from the stock price, why not directly operate the stock price?
If your market data comes from the internet, how can you ensure real-time and accurate data?
For a system that lags behind in data and cannot actually trade, what are the things that seem to be tricky?

This is because we need to make such a small program to learn and use js .... So...