javascript form and function problem

The problem is rather sinple: I can't figure out how to make the script work:

Expand|Select|Wrap|Line Numbers

 
<head><script language="JavaScript">

 var dynamic_code_index;

 var dynamic_code_index="Click a button to display the code in the textbox";

  function SetTextbox (num) {

 dynamic_code_index=num;

 }

 dynamic_code_view.dynamic_code_box.value=dynamic_code_index; 

 // Makes a usable variable which is applied to the textbox

 </script></head>

<body>

<!--creates the form and stuff!-->

  <form type="dynamic_code_view" action="" method="GET">The code will be displayed into the box: <BR>

  <input type="text" name="dynamic_code_box" value="This website is not working properly"><P>

  <input type="button" name="button1" value="example" onclick=SetTextbox('hello')>

  </form>

  </body>

I'm trying to make the script so that there's a textbox(I will make it multi-lined later) which displays a variable that is changed when a button is clicked. There will be more than 1 button. Why doesn't this code work, and, please can someone post a working version? And I labelled the form things with dynamic because it's a really cool word, that's all =).

Aug 11 '10 #1

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✓ answered by omerbutt

here you go ,

Expand|Select|Wrap|Line Numbers

 
<head><script type="text/javascript">

  var dynamic_code_index="Click a button to display the code in the textbox";

   function SetTextbox (num) {

      dynamic_code_index=num;

    document.forms['dynamic_code_view'].dynamic_code_box.value=dynamic_code_index; 

  }
 
  // Makes a usable variable which is applied to the textbox

  </script></head>

 <body>

 <!--creates the form and stuff!-->

   <form name="dynamic_code_view" id="dynamic_code_view" action="" method="GET">The code will be displayed into the box:

       <input type="text" name="dynamic_code_box" value="This website is not working properly">

       <input type="button" name="button1" value="example" onclick='SetTextbox("hello")' />

   </form>

   </body>

1443

johny10151981

1,059

1GB

Run the specific HTML Page in Firefox and use Error Console to figure out your problem.

Even though there is few issue i am pointing out:
why you need to define dynamic_code_index globally twice?(check line 2,3)

On line 7 you used another global statement
dynamic_code_view.dynamic_code_box.value=dynamic_c ode_index;
Which has no meaning. Cause it is not defined what is dynamic_code_view. there is no attribute name type for form tag. to learn how to access form element suing javascript please follow the link

Aug 11 '10 #2

omerbutt

638

512MB

here you go ,

Expand|Select|Wrap|Line Numbers

 
<head><script type="text/javascript">

  var dynamic_code_index="Click a button to display the code in the textbox";

   function SetTextbox (num) {

      dynamic_code_index=num;

    document.forms['dynamic_code_view'].dynamic_code_box.value=dynamic_code_index; 

  }
 
  // Makes a usable variable which is applied to the textbox

  </script></head>

 <body>

 <!--creates the form and stuff!-->

   <form name="dynamic_code_view" id="dynamic_code_view" action="" method="GET">The code will be displayed into the box:

       <input type="text" name="dynamic_code_box" value="This website is not working properly">

       <input type="button" name="button1" value="example" onclick='SetTextbox("hello")' />

   </form>

   </body>

Aug 11 '10 #3

gameguru

Thanks for the help you guys, and the 2nd code worked perfectly so I'm set!

Aug 11 '10 #4

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