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Thread: Using variables in

  1. #1
    Join Date
    May 2012

    Using variables in

    Hello there! I am trying to ensure that users only tick one combobox for each question in a questionnaire. Each set of comboboxes is given a name based on the question it belongs to.

    To find out the amount of comboboxes there are for a given question I have been using document.questionnaire.1.length (where 1 is the name of every combobox in that set), however when I try and do it using the variable qnum it doesn't work at all.

    function chkcontrol(j, qcount, qnum) {
    var total=0; 
    alert("number of boxes: " + document.questionnaire.[qnum].length);
    var question = document.questionnaire.[qnum].length;
    for(var i=0; i < question; i++){
    total =total +1;}
    if(total > 1){
    alert("Please only choose 1 answer per question") 
    document.question[j].checked = false ;
    return false;
    Any help would be much appreciated

  2. #2
    Join Date
    May 2006
    Somewhere behind your screen
    using radio groups instead can save your time
    xxx: Guess Buddhist riddle: "What is the sound of one hand clapping?"
    yyy: facepalm

  3. #3
    Join Date
    Mar 2007
    Without seeing your form it's hard to be sure, but element names must not start with a digit.

    The syntax is: formReference[ elementNamePrefix + index ]
    Where used, return should be executed unconditionally and always as the last statement in the function.

    That's my signature, it's not part of the damn post!

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