JSON.stringify replace pluses with spaces

Question

I use AJAX and send string someString to php-handler

xmlHttp.open("POST", url, true);
var someString = 'Foo+Bar';
var params = 'operation='+operation+'&json='+JSON.stringify(someString);
xmlHttp.send(params);

If someString contains '+' it replacing with space. As I could read, it is normal work of JSON.stringify, but how can I get pluses (using JS only)?

The second question is what other symbols replacing by JSON.stringify?

Quentin · Accepted Answer · 2016-08-18 08:04:27Z

7

That has nothing to do with JSON.stringify.

The conversion of + to a is done by the URL parser on the server. A + is one of the ways you can represent a space in a URL (the other being %20).

To convert text to make it safe to insert into a URL, use encodeURIComponent.

answered Aug 18, 2016 at 8:04

Quentin

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2 Comments

ilyatom Over a year ago

Sorry for stupid question... URL parser works even I use xmlHttp.open("POST", url, true), not GET?

Quentin Over a year ago

@ilyatom — A URL is a URL, so yes. (And if you mean that you would send the data in the request body, then the default encoding that servers use to parse posted data is the same as URLs).

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