How to prepare encoded POST data on javascript?

Question

I need to send data by POST method.

For example, I have the string \"bla&bla&bla\". I tried using encodeURI and got \"bla&bla&bla\" as t

Answer 1

>>> encodeURI("bla&bla&bla")

"bla&bla&bla"

>>> encodeURIComponent("bla&bla&bla")

"bla%26bla%26bla"