How to remove backslash on json_encode() function?

Question

How to remove the (\\)backslash on a string? when using echo json_encode() ?

For example:

Answer 1

You do not want to delete it. Because JSON uses double quotes " " for strings, and your one returns

"$(\"#output\").append(\"
This is a test!<\/p>\")"

these backslashes escape these quotes