How to get the div height using JavaScript ?

Method 1: Using the offsetHeight property.

The offsetHeight property of an element is a read-only property and is used to return the height of an element in pixels. It includes any borders or padding of the element. This property can be used to find the height of the <div> element. 

Syntax:

divElement.offsetHeight

Example:

html

<style>
    .box {
        height: 100px;
        width: 100px;
        background-color: green;
        display:inline-block;
    }
</style>
<h1 style="color: green">
    GeeksforGeeks
</h1>

<b>
    Get the height of
      <div>
        element using JavaScript
  </div>
</b>

<p>
    Click on the button to get the height
    of
    element
</p>

<div class="box"></div>

<p>
    Height of the div:
    <span class="output"></span>
</p>

<button onclick="getHeight()">
    Get Height
</button>

<script type="text/javascript">
    function getHeight() {

        divElement = document.querySelector(".box");

        elemHeight = divElement.offsetHeight;

        document.querySelector(".output").textContent
                = elemHeight + "px";
    }
</script>

Output:

clientHeight property.

The clientHeight property of an element is a read-only property and used to return the height of an element in pixels. It includes only the padding applied to the element and excludes the borders, margins or horizontal scrollbars. This property can be used to find the height of the div element.

Syntax:

divElement.clientHeight

Example:

html

<style>
    .box {
        height: 100px;
        width: 100px;
        background-color: green;
        display:inline-block;
    }
</style>
<h1 style="color: green">
    GeeksforGeeks
</h1>

<b>
    Get the height of
      <div>
        element using JavaScript
      </div>
</b>

<p>
    Click on the button to get the height
    of
    <div>
          element
      </div>
</p>

    <div class="box"></div>

    <p>
        Height of the div:
        <span class="output"></span>
    </p>

    <button onclick="getHeight()">
        Get Height
    </button>

    <script type="text/javascript">
        function getHeight() {

            divElement = document.querySelector(".box");

            elemHeight = divElement.clientHeight;

            document.querySelector(".output").textContent
                    = elemHeight + "px";
        }
    </script>

Output:

getBoundingClientRect() Method.

The getBoundingClientRect() method is used to return a DOMRect object which contains 8 properties related to the dimensions of the bounding rectangle. One of these properties of the DOMRect object is the height property. It returns the height of the DOMRect object. This property can be used to find the height of the div element. 

Syntax:

elemRect = divElement.getBoundingClientRect();
elemHeight = elemRect.height;

Example:

html

<style>
    .box {
        height: 100px;
        width: 100px;
        background-color: green;
        display:inline-block;
    }
</style>
<h1 style="color: green">
    GeeksforGeeks
</h1>

<b>
    Get the height of
    <div>
        element using JavaScript
    </div>
</b>

<p>
    Click on the button to get the height
    of
    <div>
        element
    </div>
</p>

<div class="box"></div>

<p>
    Height of the div:
    <span class="output"></span>
</p>

<button onclick="getHeight()">
    Get Height
</button>

<script type="text/javascript">
    function getHeight() {

        divElement = document.querySelector(".box");

        elemRect = divElement.getBoundingClientRect();

        elemHeight = elemRect.height;

        document.querySelector(".output").textContent
                = elemHeight + "px";
    }
</script>

Output: