Difference between escape(), encodeURI(), encodeURIComponent()

Question

In JavaScript, what is the difference between these?

1. escape() / unescape()
2. encodeuri() / decodeuri()

Answer 1

• escape - deprecated, you shouldn't use.

• encodeURI - replaces all characters except
  ; , / ? : @ & = + $ - _ . ! ~ * ' ( ) # a-z 0-9

• encodeURIComponent - replaces all characters except
  - _ . ! ~ * ' ( ) a-z 0-9