Sending A Text Value To PHP Using JQuery/AJAX

Question

I can't figure this out. I have this HTML

<input type="text" class="studno"><input type="button" value="Check" class="chstudno">

How can I send this to PHP using JQuery/AJAX? I have this code but I think it's wrong

var boom = 'booming';

$(document).ready(function(){
$(".chstudno").click(function(){
$(".inup").html(boom);
studnoch();
});
});

function studnoch(){
var studno = $('.studno').val();
$.post("prochat.php", {studno: studno};
}

As for the php file, it's a simple command that will check if the input variable matches any thing on the database.

gdoron · Accepted Answer · 2012-06-24 07:06:14Z

2

You probably meant:

$(".studno").click(function(){

Or:

$(".chstudno").click(function(){

Instead of:

$(".check").click(function(){

check is the value not the class:

<input type="button" value="Check" class="chstudno">

answered Jun 24, 2012 at 7:06

gdoron

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1 Comment

gdoron Over a year ago

@Miles. I can't guess you know, can you tell us what is not working? EXACTLY.

craigmj · Accepted Answer · 2012-06-24 07:16:05Z

0

Start off with a basic test: add a success function:

function studnoch() {
  var studno = $('.studno').val();
  alert('studnoch() has been called with studno=' + studno);
  $.post("prochat.php", {studno: studno}, 
    function(data, txt, xhqr) { alert('Ok, it worked'); }
  );
}

This should help you find out where you're going wrong...

BTW, it's probably a better idea to use an id for the input you want. This should make it unique:

<input type="text" class="studno" id="myinput">

Then retrieve it's value with:

$('#myinput').val();

answered Jun 24, 2012 at 7:16

craigmj

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