Multi-line selection: often press the mouse wheel to scroll down.
Hot update webpage: extension----install liveserver----ctrl+shift+p to call out (need to put the webpage on a certain webpage) liveserver does not support gbk character set.
Generate HTML skeleton: !+tab
Modify the HTML encoding format to be consistent with the document meta to avoid garbled characters.
When the window is zoomed out, the display is not complete: View ---- word wrap alt+z