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JavaScript Window innerWidth and innerHeight Properties

The innerWidth property in JavaScript returns the width and innerHeight property returns the height of window content area. 

Syntax:

window.innerWidth
window.innerHeight

Parameter: It doesn’t require any parameters. 

Return Value: It returns a number(Representing the Width and Height of the window’s content area). 

Note: For IE 8 i.e (Internet Edge 8) or earlier, use clientWidth and clientHeight to get the width and height of the window. 

Example: 

HTML




<body style="text-align:center;">
    <div class="gfg" 
         style="font-size:40px;
                font-weight:bold;
                color:green;">
        neveropen
    </div>
    <h2>Browser Window</h2>
    <p id="demo"></p>
    <script>
        var Width, Height, result;
        Width = window.innerWidth || document.documentElement.clientWidth
                || document.body.clientWidth;
        Height = window.innerHeight || document.documentElement.clientHeight
                || document.body.clientHeight;
        result = document.getElementById("demo");
        result.innerHTML = "Browser inner width: " + Width +
                            "<br>Browser inner height: " + Height;
          
    </script>
</body>


Output: 

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