How to make "

1. In English input mode, press shift+ pause (composed of vertical bar and pause).

2. Hypertext Markup Language, the application under standard generalized markup language. ?

Extended data:

1, you can write code to let "? |? "Display it and write a long square line with a width of 0 or 1.

For example: height: 50px border: 1px solid # 000;

2. You can add "|" in the span tag, which can also be used to implement.