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availLeft property (screen)

Browser support:
Returns the left side of the area on the screen that is available for application windows.
The returned value is relative to the left side of the screen. On Microsoft Windows platforms, the area for application windows is the entire screen excluding the taskbar.


You can find the related objects in the Supported by objects section below.
This property is read-only.

Possible values:

Integer that represents the horizontal position, in pixels.
Default: this property has no default value.

Example HTML code 1:

This example illustrates the use of the availLeft property:
    <script type="text/javascript">
        function GetDimensions () {
            var scrLeft = document.getElementById ("scrLeft");
            scrLeft.innerHTML = screen.left;
            var scrTop = document.getElementById ("scrTop");
            scrTop.innerHTML =;
            var scrWidth = document.getElementById ("scrWidth");
            scrWidth.innerHTML = screen.width;
            var scrHeight = document.getElementById ("scrHeight");
            scrHeight.innerHTML = screen.height;

            var availLeft = document.getElementById ("availLeft");
            availLeft.innerHTML = screen.availLeft;
            var availTop = document.getElementById ("availTop");
            availTop.innerHTML = screen.availTop;
            var availWidth = document.getElementById ("availWidth");
            availWidth.innerHTML = screen.availWidth;
            var availHeight = document.getElementById ("availHeight");
            availHeight.innerHTML = screen.availHeight;
<body onload="GetDimensions ();">
    <h3>Dimensions of the screen:</h3>
    Left: <span id="scrLeft"></span><br />
    Top: <span id="scrTop"></span><br />
    Width: <span id="scrWidth"></span><br />
    Height: <span id="scrHeight"></span><br />

    <h3>Dimensions of the available area:</h3>
    Left: <span id="availLeft"></span><br />
    Top: <span id="availTop"></span><br />
    Width: <span id="availWidth"></span><br />
    Height: <span id="availHeight"></span><br />
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