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Thread: undefined

  1. Sep 2nd, 2004, 09:14 AM #1
    the hater
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    Unhappy undefined

    Code:
              <span lang="en-us"><font face="Tahoma" size="2">&nbsp;</font></span><font face="Tahoma"><input type="radio" value="Left" name="algin" checked><span lang="en-us"><font size="2">Left</font></span></font></p>
      <p>
          <font face="Tahoma"><span lang="en-us"><font size="2">&nbsp;</font></span><input type="radio" value="Right" name="algin"><span lang="en-us"><font size="2"> 
          Right</font></span></font></p>
      <p><input type="Button" onclick="alert(algin.value)" value="Submit" name="B1" size="20">
    Whay The Alert Is 'undefined' ?
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  2. Sep 2nd, 2004, 09:23 AM #2
    Jop
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    Code:
    onclick="javascript:alert(algin.value)"
    edit: there's not supposed to be a space betweern java and script, vbforums does this
    Jop - validweb.nl

    Alcohol doesn't solve any problems, but then again, neither does milk.
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  3. Sep 2nd, 2004, 09:32 AM #3
    the hater
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    No
    Doesn't this ..
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  4. Sep 2nd, 2004, 09:34 AM #4
    Acidic
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    also it's document.whatever.value
    But even this moght not work depending on where in the DOM the element is located. give the element in id and the do document.getElementById(id).value

    eg:
    Code:
    <input type="radio" value="Right" name="algin" id="myID">
<input type="Button" onclick="alert(document.getElementById('myID').value)" value="Submit" name="B1" size="20">
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  6. Sep 2nd, 2004, 09:40 AM #5
    the hater
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    It's Always Show "Left"

    Code:
              <span lang="en-us"><font face="Tahoma" size="2">&nbsp;</font></span><font face="Tahoma"><input type="radio" value="Left" name="algin"  id="myID" checked><span lang="en-us"><font size="2">Left</font></span></font></p>
      <p>
          <font face="Tahoma"><span lang="en-us"><font size="2">&nbsp;</font></span><input type="radio" value="Right " name="algin" ><span lang="en-us"><font size="2"> 
          Right</font></span></font></p>
      <p><input type="Button" onclick="alert(document.getElementById('myID').value)"   value="Submit" name="B1" size="20">
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  7. Sep 2nd, 2004, 09:43 AM #6
    Acidic
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    well, of course it will always show left. you've given the ID to the tag with value="Left". Note that no two elements can have the same ID attribute.
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