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  • # December 3, 2008 at 3:35 pm

    Hi have some questions. I code xhtml and css valid, BUT I had some questions I never asked.

    1- When some times when I code, I code <div class="example"> BUT I saw Chris do: <div id="example"> But when it came to a <p> it had the class inside. Why? how about <span> when do we use them? is there an order? When to or not to?

    2- When I code my CSS I do it like this:

    <link href="http://mywebsite.com/sample.css&quot; rel="stylesheet" type="text/css" />

    But I see people coding:

    <link rel="stylesheet" type="text/css" href="http://mywebsite.com/sample.css"&gt;

    I think the latter one is wrong, but I do not know why? Although I noticed that it may produce some errors, but I do not know how to articulate them.

    3 I noticed in some javascripts:

    <script src="http://mywebsite.com/sample.js&quot; type="text/javascript" charset="utf-8"></script>

    charset="utf-8" why? what does that do?

    4 I know that there is a way to call all CSS styles from one Stylesheet. Is there one for Javascripts?

    5 flash video question: If i leave the video code with the &, my video does not validates, but if I replase the & with: &amp; then it validates, and it plays without a problem. Why?

    Not valid:

    <param name="flashvars" value="&file=http://www.mywebsite.com/flvideo/video-resume.flv&height=164&image=http://mywebsite.com/images/businesscard.gif&width=216&location=http://www.mywebsite.com/player/player.swf&link=http://www.mywebsite.com&linktarget=_blank"/>

    Valid:

    <param name="flashvars" value="&amp;file=http://www.mywebsite.com/flvideo/video-resume.flv&amp;height=164&amp;image=http://mywebsite.com/images/businesscard.gif&amp;width=216&amp;location=http://www.mywebsite.com/player/player.swf&amp;link=http://www.mywebsite.com&amp;linktarget=_blank"/>

    Thanks,

    # December 3, 2008 at 6:40 pm

    1) an id is supposed to be unique, so you use that for elements you are only going to use once in your code(like a wrapper or a header). A class can be used multiple times.

    2) if you use xhtml you will have to close every tag. You close it by using /> but others don’t close it. It doesn’t matter much but it will generate warnings.

    3) it tells the browser that its including a javascript file with an utf8 characterset. 99% of the time you don’t need this so i wouldnt pay too much attention to it.

    4) Not that i know

    5) if you use xhtml it wants to receive special characters as an entity .. don’t know how to explain it but it just likes it that way so just do it :ugeek:

    # December 5, 2008 at 10:31 am

    Thanks for the answers.

    But question #2 was miss understood:

    <link href="http://mywebsite.com/sample.css&quot; rel="stylesheet" type="text/css" />

    What I meant was, I noticed that it seems that if this is out of order: rel="stylesheet" type="text/css" seems that if this is in the front, it could be a mistake prone. Why? I do not not, but I saw in the color coding that it did look mistaken-ish? if know what I mean.

    <link rel="stylesheet" type="text/css" href="http://mywebsite.com/sample.css&quot; />

    See the diference?

    Thank you. Is good to ask this questions. :D

    # December 8, 2008 at 9:43 am

    Thank you guys. Some times we just have to ask Questions.

    Thank you

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