input value into js variable

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iam4423
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Joined: Fri Jan 20, 2012 8:00 am

input value into js variable

Postby iam4423 » Thu Jul 19, 2012 9:05 am

Hi, im trying to put the value of a hidden form field into a JavaScript variable but when i try to display the variable i just get NaN. Heres what ive got:

Code: Select all

function addElement(){
var count = document.getElementById("count").value;
     ++count;
          var AdEl = document.createElement('div');
          AdEl.innerHTML = "<input type='text' name='ident" + count + "' value='"+count+"' /><br /><textarea name='style" + count + "' cols='60' rows='5'></textarea><hr>";
          document.getElementById('adds').appendChild(AdEl);
        document.getElementById("count").value = count;
}

and my form field is

Code: Select all

<input type='hidden' name='count' value='7' id='count'>

if i set the variable manually it works fine but it just wont get the value out of the form field.

any help would be appreciated, cheers!

**** UPDATE ****
if i return the value of count right after i grab it from the hidden field i get 'undefined'

iam4423
New php-forum User
New php-forum User
Posts: 50
Joined: Fri Jan 20, 2012 8:00 am

Re: input value into js variable

Postby iam4423 » Thu Jul 19, 2012 9:49 am

Okay, im an idiot the issue was that i was defining the variable outside of the function so it was grabbing the value on page load not when i ran the function


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