Web API | DOMRect bottom property

In Web API there is a DOMRect Interface which has a property bottom which gives us the bottom of the DOMRect object. It returns y + height coordinate value or if the height is negative than it returns y.

Syntax:

var recX = DOMRect.bottom;

Return Type :

Double value

Example 1: When the height is positive

<!DOCTYPE html> 
<html> 
  
<head> 
  
    <title> 
        DOMRect bottom property 
    </title> 
  
</head> 
  
<body> 
    <center> 
  
        <h1 style="color:green;">  
        GeeksForGeeks  
    </h1> 
  
        <h2>DOMRect bottom property</h2> 
        <button onclick="getDOMRect ();"> 
          Get bottom 
      </button> 
        <p id='DOMRect'></p> 
    </center> 
  
</body> 
  
<script type="text/javascript"> 
    function getDOMRect() { 
        var myDOMRect = new DOMRect(0, 0, 100, 100); 
        var recbottom = myDOMRect.bottom; 
  
        document.getElementById( 
          'DOMRect').innerHTML = recbottom; 
  
    } 
</script> 
  
</html> 

Output:
Before clicking the button:

After clicking the button:

Example 2: When the height is negative

<!DOCTYPE html> 
<html> 
  
<head> 
  
    <title> 
        DOMRect bottom property 
    </title> 
  
</head> 
  
<body> 
    <center> 
  
        <h1 style="color:green;">  
                GeeksForGeeks  
            </h1> 
  
        <h2>DOMRect bottom property</h2> 
        <button onclick="getDOMRect ();">Get bottom</button> 
        <p id='DOMRect'></p> 
    </center> 
  
</body> 
  
<script type="text/javascript"> 
    function getDOMRect() { 
        var myDOMRect = new DOMRect(0, 0, 100, -100); 
        var recbottom = myDOMRect.bottom; 
  
        document.getElementById('DOMRect').innerHTML = recbottom; 
  
    } 
</script> 
  
</html> 

Output:
Before clicking the button:

After clicking the button:

Supported Browsers:

Google Chrome
Safari 10.1
Firefox
Opera

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