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Thread: JavaScript Arrays

  1. #1
    Join Date
    Sep 2011
    Posts
    3

    resolved JavaScript Arrays

    function chkcount(cid)
    {
    var car=new Array();
    var chkStatus=document.getElementById(cid).checked;
    if(chkStatus == true)
    {
    //car.push(cid);
    alert(chkStatus);
    }
    else
    {
    if (car.lastIndexOf(cid)!=-1)
    {
    car.splice(car.lastIndexOf(cid), 1);
    alert(' ' + car.lastIndexOf(cid));
    }
    }
    alert(' ' + car);
    }

    What is the error in this function block.....
    I am getting an error in else block at lastIndexOf().....
    The cid value will be like chk1, chk2, chk3....

  2. #2
    Join Date
    Oct 2010
    Location
    Versailles, France
    Posts
    1,290
    The lastIndexOf() method returns the position of the last found occurrence of a specified value in a string. (www.w3school.com)

  3. #3
    Join Date
    Sep 2009
    Posts
    159
    It looks like the closing brace in the last line doesn't have matching opening brace. Check your brace pairs again.

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