Jquery Not Loading PHP File

Question

I have not been able to use JQuery/Ajax to load the content of my PHP file into a div tag.

Here is my page that is loading the file:

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3/jquery.min.js"></script>

<script>
function init() {
    reloadChat();
    setInterval (reloadChat, 5000);
}

function reloadChat() {
    $.ajax({  
        url: "chat.php",  
        cache: false,  
        success: function(){
            $("#chatmenu").load("chat.php");
        },  
    });  
}
</script>

<body onLoad='init()'></body>

<div id='chatmenu'></div>

The PHP file I am loading (chat.php) is in the same folder, and is just an echo statement:

<?php echo "test"; ?>

To make sure it was not a problem with my Javascript functions, I added an alert under the success function, and it did alert me every 5 seconds, so I think it is something with the load statement.

Why are you calling ajax twice, one as $.ajax and one as load("chat.php") in success? you can do one or the other. also you can use $(document).read(function(){ init();} instead of onload — Dreaded semicolon
– Dreaded semicolon, Commented Jul 15, 2012 at 15:53
try this: success: function(data) {$('#chatmenu').html(data);} — Pablo Mescher
– Pablo Mescher, Commented Jul 15, 2012 at 15:53

Christofer Eliasson · Accepted Answer · 2012-07-15 17:38:06Z

4

Use .load() straight away, no need to make an Ajax request first:

function reloadChat() {
    $("#chatmenu").load("chat.php");  
}

Update:

I notice that in your example code, you close your body-tag before your div element.

<body onLoad='init()'></body> <!-- This ain't right --> 
<div id='chatmenu'></div>

Try this instead:

<body onLoad='init()'>
    <div id='chatmenu'></div>
</body>

edited Jul 15, 2012 at 17:38

answered Jul 15, 2012 at 15:53

Christofer Eliasson

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7 Comments

PJCH Over a year ago

That's not working either. Still, nothing shows up in the div on the page.

Greg Pettit Over a year ago

Yeah, just using .load() as your Ajax request method, skipping the $.ajax() syntax, should work. If this simple code isn't working, it's not the JavaScript in and of itself. What does your console tell you?

PJCH Over a year ago

It says it's loading chat.php in the console, but it's not showing up in the div

Greg Pettit Over a year ago

So the GET is successful, but did you check the contents to see if they say "test"? Does the div have any styles on it that are keeping it hidden (visibility, display, size, hiding behind another with higher z-index)? You shouldn't need to rewrite!

PJCH Over a year ago

The div is there, just no text in it.

|

Dreaded semicolon · Accepted Answer · 2012-07-16 00:13:04Z

2

Try this:

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3/jquery.min.js"></script>

<script>

function init() {
    reloadChat();
    setInterval (reloadChat, 5000);
}

function reloadChat() {
    $.ajax({  
        url: "chat.php",  
        cache: false,  
        success: function(response){
            $("#chatmenu").text(response);
        },  
    });  
}

</script>

<body onLoad='init()'></body>

<div id='chatmenu'>

</div>

Also, for the love of god, please use an up-to-date version of jQuery

edited Jul 16, 2012 at 0:13

Dreaded semicolon

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answered Jul 15, 2012 at 15:53

blockhead

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5 Comments

PJCH Over a year ago

This just seemed to lag my browser and my page became unresponsive.. Don't know how to fix that.

blockhead Over a year ago

Get rid of the setInterval call...its causing an infinite loop.

PJCH Over a year ago

Isn't it necessary for an 'instant' chat?

Dreaded semicolon Over a year ago

I think you meant html(response) or text(response) not load(response)

blockhead Over a year ago

Yes, you're right. But I've given up on this question...I realized he's trying to do something way over his head.

KGZM · Accepted Answer · 2012-07-15 16:08:14Z

1

It looks your first request from $.ajax will return 'test', and then you're using that as the URL for $("#chatmenu").load.

Try this:

function reloadChat() {
    $.ajax({  
        url: "chat.php",  
        cache: false,  
        success: function(data){
            $("#chatmenu").append(data);
        },  
    });  
}

Or, if you want to replace the contents of #chatmenu the method posted by Christofer Eliasson where you just call $("#chatmenu").load("chat.php") in reloadChat will work.

answered Jul 15, 2012 at 16:08

KGZM

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3 Comments

Greg Pettit Over a year ago

As with the .load() syntax suggestion, this one should work fine. It's not the script in and of itself. It's either an invalid URL after all, it's not returning what you think it is, or something else is bombing out in code we can't see. Check your console for errors.

PJCH Over a year ago

No errors in the console, I guess I'll just try rewriting everything and hoping for the best

PJCH Over a year ago

Am I implementing JQuery/Ajax correctly when I "import" the script?

Martin · Accepted Answer · 2012-07-15 16:02:15Z

0

Putting it all together:

<!DOCTYPE html>
<html>
  <head></head>
  <body>
    <div id="chatmenu"></div>
    <script type="text/javascript" src="http://code.jquery.com/jquery-1.7.2.min.js"></script>
    <script type="text/javascript">
      $(function() {
        setInterval (function() { 
           $("#chatmenu").load("chat.php");
        }, 5000);
      });
    </script>
  </body>
</html>

edited Jul 15, 2012 at 16:02

answered Jul 15, 2012 at 15:54

Martin

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2 Comments

Greg Pettit Over a year ago

You don't want those scripts inside the chatmenu div.

Greg Pettit Over a year ago

I must be going crazy; I thought they were within that div. My apologies for my blindness.

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