Mozilla, written html and getElementById

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  • Richard A. DeVenezia
    #1

    Mozilla, written html and getElementById

    Mozilla (1.4 win2k) doesn't like this

    document.write ('<TABLE ID="abc"><TR><T D></TD></TR></TABLE>')
    table = document.getEle mentById ('abc')
    alert (table.rows.len gth)

    I see in JS Console, Error: table has no properties

    The same message that would appear if I tried to get real non-existant id
    table = document.getEle mentById ('abc-doesnotexist')
    alert (table.rows.len gth)

    Any work arounds ( Not in a position to place my own null table in source
    HTML:( ) ?
    Should I skip making 1.4 happy and wait for Moz 1.5+ ?

    --
    Richard A. DeVenezia


    Tags: None
    • Richard A. DeVenezia
      #2
      Re: Mozilla, written html and getElementById

      "Richard A. DeVenezia" <radevenz@ix.ne tcom.com> wrote in message
      news:bjmdbv$ko6 28$1@ID-168040.news.uni-berlin.de...[color=blue]
      > Mozilla (1.4 win2k) doesn't like this
      >
      > document.write ('<TABLE ID="abc"><TR><T D></TD></TR></TABLE>')
      > table = document.getEle mentById ('abc')
      > alert (table.rows.len gth)
      >
      > I see in JS Console, Error: table has no properties[/color]


      This happens in a js that is being loaded in the <HEAD> tag
      --
      Richard A. DeVenezia



        Comment

        • Richard Cornford
          #3
          Re: Mozilla, written html and getElementById

          "Richard A. DeVenezia" <radevenz@ix.ne tcom.com> wrote in message
          news:bjmoen$kuj 71$1@ID-168040.news.uni-berlin.de...[color=blue]
          >"Richard A. DeVenezia" <radevenz@ix.ne tcom.com> wrote in message
          >news:bjmdbv$ko 628$1@ID-168040.news.uni-berlin.de...[color=green]
          >> Mozilla (1.4 win2k) doesn't like this
          >>
          >> document.write ('<TABLE ID="abc"><TR><T D></TD></TR></TABLE>')
          >> table = document.getEle mentById ('abc')
          >> alert (table.rows.len gth)
          > >
          >> I see in JS Console, Error: table has no properties[/color]
          >
          >This happens in a js that is being loaded in the <HEAD> tag[/color]

          A table element within the HEAD of a document would be invalid so if the
          function is called within the head it is unrealistic to expect it to
          work. But I would be expect timing problems with this code anyway as
          the browser may not get a chance to fully set up the objects created
          with the document.write statement before it is references. (Indeed I
          recall that at least one browser delays document.write output until the
          completion of the current script block)

          It would probably be safer to use DOM node insertion methods to create
          and insert a valid table structure. Then you would have a reference to
          it prior to inserting it and would not have to use getElementById at all
          (or give the table an ID). Alternatively you would probably have to
          split the code with the document.write inserting the HTML inline and
          another "init" function being called onload (or with a timeout).

          Richard.


            Comment

            • Lasse Reichstein Nielsen
              #4
              Re: Mozilla, written html and getElementById

              "Richard A. DeVenezia" <radevenz@ix.ne tcom.com> writes:
              [color=blue]
              > "Richard A. DeVenezia" <radevenz@ix.ne tcom.com> wrote in message
              > news:bjmdbv$ko6 28$1@ID-168040.news.uni-berlin.de...[color=green]
              > > Mozilla (1.4 win2k) doesn't like this
              > >
              > > document.write ('<TABLE ID="abc"><TR><T D></TD></TR></TABLE>')
              > > table = document.getEle mentById ('abc')
              > > alert (table.rows.len gth)
              > >
              > > I see in JS Console, Error: table has no properties[/color][/color]

              My guess:
              You use document.write to insert context in the input stream after
              the current script element. It is not parsed until after the script
              tag ends.

              Try ending the script tag after the document.write and start a new
              script tag with the rest of the code.
              [color=blue]
              > This happens in a js that is being loaded in the <HEAD> tag[/color]

              So, you are writing tables into the head tag? That means that
              the head tag must have stopped, so the browser automatically ends
              the head tag and starts the body tag.

              /L
              --
              Lasse Reichstein Nielsen - lrn@hotpop.com
              Art D'HTML: <URL:http://www.infimum.dk/HTML/randomArtSplit. html>
              'Faith without judgement merely degrades the spirit divine.'

                Comment

                • Gavino Paolini
                  #5
                  Re: Mozilla, written html and getElementById

                  Il Wed, 10 Sep 2003 11:32:52 +0200, Lasse Reichstein Nielsen ha scritto:
                  [color=blue]
                  > "Richard A. DeVenezia" <radevenz@ix.ne tcom.com> writes:
                  >[color=green]
                  >> "Richard A. DeVenezia" <radevenz@ix.ne tcom.com> wrote in message
                  >> news:bjmdbv$ko6 28$1@ID-168040.news.uni-berlin.de...[color=darkred]
                  >> > Mozilla (1.4 win2k) doesn't like this[/color][/color][/color]
                  ....[color=blue]
                  > So, you are writing tables into the head tag? That means that the head
                  > tag must have stopped, so the browser automatically ends the head tag
                  > and starts the body tag.
                  >
                  > /L[/color]

                  Maybe he meant that the script tag containing that portion of code is
                  inside the head and not in the body, I'm just supposing.

                  gp

                    Comment

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