Why my $.ajax() doesn't work in firefox?

Question

Hi I have a code for posting on my site and it works perfectly in safari, but in firefox not. I don't know the problem, because the code is very simple ... Here the code:

<input type="text" placeholder="mmm..." class="bar" name="txt" /> <input type="hidden" value="" name="map" /> <button onclick="post('2')">send</button> <div id="prueba"></div> <script src="http://code.jquery.com/jquery-latest.js"></script> <script> function post(id) { var txtvalue = document.getElementsByName('txt')[0].value; if (document.getElementsByName('map')[0]) { var mapv = document.getElementsByName('map')[0].value; } else { var mapv = ""; } $('#prueba').html('txt:' + txtvalue + '<br>map:' + mapv); $.ajax({ type: "POST", url: "http://m2s.es/app/api/connect/chat.php", data: { txt: txtvalue, map: mapv, id: id }, dataType: 'text', beforeSend: function() { console.log('connecting...') }, complete: function() { console.log('procesing...') }, success: function(result) { console.log(result); }, error: function(XMLHttpRequest, textStatus, errorThrown) { console.error(textStatus); } }) } </script>

For that the PHP process the post, you must be logged in to the http://m2s.es/app, but still in firefox will give error in the console (with login or not) and not as in safari, if you don't login, it will say in the console: 'not Login'

What is the error message in the console that Firefox gives? — epascarello
– epascarello, Commented Jan 23, 2014 at 16:29

leo108 · Accepted Answer · 2014-01-23 16:22:18Z

1

this may caused by crossdomain, if you didn't run this js code under http://m2s.es/ , it will cause the crossdomain problem, and you will get error in ajax.

answered Jan 23, 2014 at 16:22

leo108

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5 Comments

Tim Seguine Over a year ago

this seems like wild speculation to me.

user3228573 Over a year ago

And, why in Safari works fine? Is there any way to make it work without being in the domain?

leo108 Over a year ago

@user3228573 this may different from browser to browser. jsonp is a way to solve the crossdomain problem

user3228573 Over a year ago

Has you got other solution?

epascarello Over a year ago

If it is cross domain, there is CORS.

epascarello · Accepted Answer · 2014-01-23 16:25:20Z

Well the one issue I see is not related to the bug is

if (document.getElementsByName('map')[0]) {

if the length is zero, than you will have an error

var map = document.getElementsByName('map'); var mapv = map.length ? map[0].value : "";

or just use jQuery

var mapv = $('[name="map"]').val();

unicorn2 · Accepted Answer · 2014-01-23 16:37:44Z

When I logged on to your site I got the following in firefox, using firebug:

TypeError: input is null : appnew.js (line 40)

39 var input = document.getElementById('input'); 40 input.onkeyup = function () {

On line 39 you are trying to get an element with id=input, but since you dont have any element with id input line 40 gives the error.

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