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Editorial Team
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Asked: 2026-05-23T09:10:36+00:00

I have an HTML form with three fields: Status Department, and Delivery Method I

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I have an HTML form with three fields:

  • Status
  • Department, and
  • Delivery Method

I want to display or hide the fields, depending upon whether the user’s browser supports JavaScript.

I’m also trying to set one field based upon the value of the other. If status is set to DE, then I want to set the value of delivery method to DE as well.

How would I go about implementing this functionality?

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1 Answer

  1. Editorial Team

    Aren’t fields you are using created using html tag? I’m not sure how you can use JAVA to disable them but you can surely use a simple javascript statement.

    Say the status field has the id as ‘fStatus’.
    Then you can simply do the following:

    <script type="text/javascript>
document.getElementById('fStatus').type = 'hidden'; //to hide it and
document.getElementById('fStatus').type = 'text';   //to un-hide it
</script>

    Now to execute to execute a function when status changes you will need to modify the html a bit. Like this:

    <input type="text" id="fStatus" onChange="validate()" />

    and to execute the same function when the page load, modify body as such:

    <body onLoad="validate()">

    The appropriate javascript function would be:

    <script type="text/javascript">
function validate()
{
  if(document.getElementById('fStatus').value == "DE")
  {
    document.getElementById('fDelivery').value = "DE"; // Assuming that the id of the delivery field is 'fDelivery'
  }
}
</script>

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