Solving the problem of special symbols such as , spaces, =, %, &, # etc. in url parameters_javascript skills

When the URL contains special symbols such as , spaces, /, ?, %, #, &, =, etc., the correct parameter values ​​may not be obtained on the server side. What should I do?
Solution
Convert these characters into characters that the server can recognize. The corresponding relationship is as follows:
URL character escape

Replace it with other characters, or use full-width characters.

The medium number in the URL represents a space.                                                                                                                                                                                         
# Represents a bookmark                                        Parameter value =