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Thread: How to identify the field type in javascript

  1. #1
    Join Date
    Jan 2006
    Posts
    10

    How to identify the field type in javascript

    Hi all,
    I am getting all the field name in the form and i am passing the fieldname to the javascript function in order to validate the fields.In the function i am checking each value based on the type.
    var a =document.forms[0].fname.value
    b=a.split(",");
    for(i=0;i<a.length;i++) {
    type=eval('document.forms[0].'+a[i]+'.type');
    if(type=="text")
    alert("the field type is a text") //working fine
    if(type=="select-one")
    alert("the field type is select one") //working fine
    if(type=="select-multiple")
    alert("the field type is select multiple") //working fine
    if(type=="radio")
    alert("the field type is radio") //this is not working fine
    }

    I think for radio type,checkbox i should check as
    document.forms[0].radiogroup[0].type


    but i don't how to check with my code
    Could anyone say how to check for the field type for radio button or could anyone say how to check if the field type is a single /multiple

    Thanks in advance
    paula j
    Last edited by paula j; 03-03-2006 at 12:33 AM.

  2. #2
    Join Date
    Apr 2005
    Location
    Bathurst, NSW, Australia
    Posts
    3,357
    I dont think that you can check if a radio button is a singular or belongs to a group, unless you maybe compared the name value of each, and if they are the same check that one of them is selected. But I don't really understand your question, is English your mother language?

  3. #3
    Join Date
    Mar 2013
    Posts
    2
    Hi, I know that this post is a little old as we are in 2014 :-), but I was wondering how can I get the value of a computed text field in java script?

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