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JavaScript (JS) tabIndex Example

Description: Illustrates the JavaScript syntax for the Area Object tabIndex Property .

Syntax: AreaObject.tabIndex="tabIndex" – Allows you to access the tabbing order for an AreaObject.

JavaScript (JS) tabIndex Example Code:

    < !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
    <html>
      <head>
        <title>IdealProgrammer.com: tabIndex</title>
        <!-- 
        ***************************************************
        * This example is from http://idealprogrammer.com *
        ***************************************************
        Note:
        coords for rect = "upperleftx,upperlefty,bottomrightx,bottomrighty"
        coords for circle = x,y,r where x and y are center and r is radius
        coords for poly = x1,y1,x2,y2,...
        -->
       </head>
      <body>
      <a href="http://idealprogrammer.com">Ideal Programmer</a><br /><br />
    <img src ="http://idealprogrammer.com/wp-photos/goldbottle.jpg" width="200" height="200" alt="Planets"
    usemap ="#goldmap" /><br /> <br />
 
    <map name="goldmap" id="goldmapid">
    <area id="Area1" shape="rect" tabindex="1" coords="0,0,100,100" href="http://www.google.com" alt="google" accesskey="1" />
    <area id="Area2" shape="rect" tabindex="3" coords="100,0,200,100" href="http://www.yahoo.com" alt="yahoo" accesskey="2" />
    <area id="Area3" shape="rect" tabindex="2" coords="0,100,100,200" href="http://idealprogrammer.com" alt="idealprogrammer" accesskey="3" />
    <area id="Area4" shape="rect" tabindex="4" coords="100,100,200,200" href="http://myqol.com" alt="progressmonitor" accesskey="4" />
 
    </map>
    <script type="text/javascript">
 
        //*****************************************************
        // DOM Objects
        //*****************************************************
 
 
        //*****************************************************
        //    ***    Area Object Property   ***
        //*****************************************************
 
        //*****************************************************
        // tabIndex
        //*****************************************************
 
        //    SYNTAX:
        //    areaObject.tabIndex="tabIndex"  Allows you to access the tabIndex
        //               of  an areaObject in an image map. 
 
        // Two ways to retrieve tabIndex   
        //   1. GetElementsByTagName
        myObject = document.getElementsByTagName('area')[0];
        document.write("Area1 - Using getElementsByTagName : " + myObject.tabIndex);
        document.write("<br />");
        //   2. GetElementById
        document.write("Area2 - Using getElementById: ");
        document.write(document.getElementById('Area2').tabIndex);
 
        document.write("<br /><br />");
        // Two ways to assign tabIndex
 
        //   1. GetElementById
        myArea3 = document.getElementById('Area3');
        myArea3.tabIndex = "0";
        document.write("<br />Area3 changed to 0: ", myArea3.tabIndex);
 
        //   2. GetElementsByTagName      
        myArea4 = document.getElementsByTagName('area')[3];
        myArea4.tabIndex = "5";
        document.write("<br />Area4 changed to 5: ", myArea4.tabIndex)
 
 
    </script>
 
 
      </body>
    </html>