Hi,
> Anyone please help. What am I do wrong?!!
You're using the same `id` value on more than one element. That is
invalid markup[1] and will not work correctly. `id` values *MUST* be
unique on the page.[2][3]
You may have wanted to use a `class`[4][5] instead:
<div class="num">1</div>
<div class="num">2</div>
<div class="num">3</div>
<div class="num">4</div>
<div class="num">5</div>
alert($$(".num").length); // "5"
[1] http://validator.w3.org/
[2] http://www.w3.org/TR/html5/elements.html#the-id-attribute
[3] http://www.w3.org/TR/html401/struct/global.html#adef-id
[4] http://www.w3.org/TR/html5/elements.html#classes
[5] http://www.w3.org/TR/html401/struct/global.html#adef-class
HTH,
--
T.J. Crowder
Independent Software Engineer
tj / crowder software / com
www / crowder software / com
On Jun 22, 2:33 pm, KingKong99 <k0818069...@gmail.com> wrote:
> I have very simple code as below:
>
> <html>
> <head>
> <script src=prototype.js></script>
>
> <script>
> document.observe('dom:loaded',function(){
> var nums = $$('#num');
>
> alert(nums.length);
>
> });
>
> </script>
>
> </head>
> <body>
> <div id=bb>
>
> <div id=num_container>
> <div id=num>1</div>
> <div id=num>2</div>
> <div id=num>3</div>
> <div id=num>4</div>
> <div id=num>5</div>
> </div>
>
> </div>
> </body>
> </html>
>
> There is no problem in Chrome or Firefox but IE8. It should alert
> number 5 not 1.
>
> Anyone please help. What am I do wrong?!!
>
> Thank you
> King
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