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Remove Hash(#) using javascript and write hidden fields

Posted on 2008-10-15
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Last Modified: 2012-05-05
Hi Experts, just needed some help on carrying out the below:

Strip hashes off of the below variable (user_id), and separate the values and place them in a hidden input field using a loop for each of the values using document.write. Placing the values in the "Name" and "Value" fields as below:


var user_id= "1##2##3##4##5##6##7##8##9##10";
 

<input type="hidden" name="1" value="1">
 

<input type="hidden" name="2" value="2">
 

<input type="hidden" name="3" value="3">
 

<input type="hidden" name="4" value="4">
 

<input type="hidden" name="5" value="5">
 

<input type="hidden" name="6" value="6">
 

<input type="hidden" name="7" value="7">
 

<input type="hidden" name="8" value="8">
 

<input type="hidden" name="9" value="9">
 

<input type="hidden" name="10" value="10">

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Comment
Question by:agulaid
  • 3
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7 Comments
 
LVL 16

Expert Comment

by:Lolly-Ink
ID: 22727449
I like to use the String object's match function:
<html>

<script>

   var user_id = "1##2##3##4##5##6##7##8##9##10";

   var a = user_id.match(/\d+/g);

   for (var index = 0; index < a.length; index++)

   {

      document.write("<input type='hidden' name='" + a[index] + "' value='" + a[index] + "'>");

   }

</script>

<body>

   

</body>

</html>

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LVL 16

Accepted Solution

by:
Lolly-Ink earned 500 total points
ID: 22727457
This is probably better, matching non-hashes:

<html>

<script>

   var user_id = "1##2##3##4##5##6##7##8##9##10";

   var a = user_id.match(/[^#]+/g);

   for (var index = 0; index < a.length; index++)

   {

      document.write("<input type='hidden' name='" + a[index] + "' value='" + a[index] + "'>");

   }

</script>

<body>

   

</body>

</html>

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Author Comment

by:agulaid
ID: 22727571
I've tested this and it hasn't worked both IE and FF crash.


<html>
 

<script>
 

function abdi() {

   var user_id = "1##2##3##4##5##6##7##8##9##10";

   var a = user_id.match(/[^#]+/g);

   for (var index = 0; index < a.length; index++)

   {

      document.write("<input type='hidden' name='" + a[index] + "' value='" + a[index] + "'>");

   }
 

   }

</script>
 
 
 

<body>

<a href="#" onclick="abdi();">test</a>

</body>

</html>

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LVL 16

Expert Comment

by:sh0e
ID: 22727792

<html>

 

<script>

 

function abdi() {

   var user_id = "1##2##3##4##5##6##7##8##9##10";

   var a = user_id.match(/[^#]+/g);

   document.open();

   for (var index = 0; index < a.length; index++)

   {

      document.write("<input type='hidden' name='" + a[index] + "' value='" + a[index] + "'>");

   }

   document.close();

 

   }

</script>

 

 

 

<body>

<a href="#" onclick="abdi();return false;">test</a>

</body>

</html>

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LVL 16

Expert Comment

by:sh0e
ID: 22727798
Don't accept my comment as solution.  Give all points to Lolly-ink.
0
 

Author Comment

by:agulaid
ID: 22727821
sh0e, test that, the script doesnt write anything.
0
 

Author Comment

by:agulaid
ID: 22727881
Sorry guys, it works... I totally forgot the field was hidden.
0

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