What causes jquery height and javascript height to both be returned as 0?

I'm facing an issue with a visible div on my screen - despite being visible, its height always returns as 0. I've attempted various jQuery and JavaScript methods to retrieve the height, but it consistently shows as 0. Here's the structure of my div:

<div class="option-content">
    <div class="row">
        <div class="col-sm-12">
            <div class="dropDownStyling" id="filterDropdowns">
            </div>

        </div>
    </div>

    <!-- Other contents -->
</div>

I've tried the following methods to get the height:

var $element = $("#filterDropdowns");
$element.css("height")
$element.height()
$element.innerHeight()
$element.outerHeight()

I also attempted using vanilla JavaScript:

 document.getElementById('filterDropdowns').offsetHeight
 document.getElementById('filterDropdowns').clientHeight

Despite all these efforts, the height still returns as 0 while the width value is accurate. Can anyone explain why the height value remains at 0?

javascriptjqueryhtmlcss

Answer №1

When using a blank DIV with no content, you will always receive a height of 0.

For instance:

<div id="example" class="text">
  <div id="xyz">
  </div>
</div>

It is essential to add content within the DIV in order to obtain a height value.

Another method to determine the height of the DIV is by utilizing clientHeight.

document.getElementById("zzz").clientHeight;

Answer №2

Implement a function and execute it upon the DOM being fully loaded

    function getDropdownHeight() {
    var height = $('#filterDropdowns').innerHeight();
alert(height)
 }


$(document).ready(function(){
$('#filterDropdowns').append('23');
getDropdownHeight();
})

<div class="option-content">
    <div class="row">
        <div class="col-sm-12">
            <div class="dropDownStyling" id="filterDropdowns">

            </div>

        </div>
    </div>

//Additional content
</div>

https://jsfiddle.net/azL0070r/3/

Answer №3

HTML

<div class="option-content">
<div class="row">
    <div class="col-sm-12">
        <div class="dropDownStyling" id="filterDropdowns">

        </div>

    </div>
</div>

Javascript

var height = $('#filterDropdowns').height();
alert(height)<br>

CSS

#filterDropdowns {
   height: 150px;
}

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