Incorporating a conditional statement to connect the CSS height with the dropdown selection using jQuery is essential

In the current version of my code, I have the following:

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>

$( "#grow" ).click(function(){
    $( "#background" ).animate( { height: "800" })
});

$( "#shrink" ).click(function(){
    $( "#background" ).animate({ height: "585" });
});

It allows the background container to grow or shrink while keeping the bottom CSS aligned underneath the main form. However, I now need to adjust the height to accommodate a dropdown menu with a hidden field and an associated error message (or reduce it if another dropdown selection is made).

Do you have any suggestions on how I can achieve this? The ID of my dropdown menu is: ddlFeedbackType, and it has an onChange event handler named onchange="ShowHidePageURL()". Here is the script for hiding/showing elements:

var x;
var o = document.getElementById('plc_lt_zoneContent_pageplaceholder_pageplaceholder_lt_zoneCenter_ASME_FormsSuggestionForm_ddlFeedbackType');
if (o.options[o.selectedIndex].text == "Report a Bug") {
    x = document.getElementById('divPageURLlabel');
    x.style.display = "block";

    x = document.getElementById('divPageURLtext');
    x.style.display = "block";

    x = document.getElementById('divFeedbackType');
    x.style.display = "none";

    x = document.getElementById('lblFeedbackType');
    x.style.display = "none";
}

I am unsure how to integrate all of this together. Any assistance would be greatly appreciated. Thank you.

Answer №1

considering the given HTML structure

<div id="#background">
   <form id="form">
      ....
   </form>
</div>

you need to apply the following styling:

#background{height:585px;overflow:hidden;}

and then in your JavaScript code:

$( "#grow" ).click(function(){
    if(check your dropdown value){
       $('<controls to hide>').hide();
    } else {
       $('<controls to show>').show();
    }

    $( "#background" ).animate( { height: $('form').height() })
});

$( "#shrink" ).click(function(){
    $( "#background" ).animate({ height: "585" });
});

This approach ensures that #background will smoothly adjust its height to match the form, accommodating hidden controls as well.

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