Web API DOMRect top property

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

Syntax:

let recX = DOMRect.top;

Return Type:

Double value

Example 1: When the height is positive

HTML

<!DOCTYPE html>
<html>

<head>
    <title>
        DOMRect top property
    </title>
</head>

<body>
    <h1 style="color:green;">
        GeeksForGeeks
    </h1>
    <h2>DOMRect top property</h2>
    <button onclick="getDOMRect ();">
        Get top
    </button>
    <p id='DOMRect'></p>
  
    <script type="text/javascript">
        function getDOMRect() {
            let myDOMRect = new DOMRect(0, 0, 100, 100);
            let rectop = myDOMRect.top;
            document.getElementById(
                'DOMRect').innerHTML = rectop;
        }
    </script>
</body>

</html>

Output:

Example 2: When the height is negative

HTML

<!DOCTYPE html>
<html>

<head>
    <title>
        DOMRect top property
    </title>
</head>

<body>
    <h1 style="color:green;">
        GeeksForGeeks
    </h1>
    <h2>DOMRect top property</h2>
    <button onclick="getDOMRect ();">
        Get top
    </button>
    <p id='DOMRect'></p>
  
    <script type="text/javascript">
        function getDOMRect() {
            let myDOMRect = new DOMRect(0, 0, 100, -100);
            let rectop = myDOMRect.top;
            document.getElementById('DOMRect').innerHTML = rectop;
        }
    </script>
</body>
  
</html>

Output:

Supported Browsers: The browsers supported by DOMRect top property are listed below:

Google Chrome
Safari 10.1
Firefox
Opera

Web API DOMRect top property

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