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Dynamic CSS style not changing-VBForums
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Thread: Dynamic CSS style not changing

  1. #1

    Thread Starter
    Super Moderator RobDog888's Avatar
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    Arrow Dynamic CSS style not changing

    In an anchor link I dont want to use the href because of "file not found" errors since its not an actual file. So Im using the onmouseover and onmouseout events of the anchor to change the style but no dice.

    HTML Code:
    1. <a onclick="AddToFavorites();"
    2. onmouseover="style='cursor: pointer; text-decoration: none;'"
    3. onmouseout="style='cursor: default; text-decoration: underline;'"
    4. style="font-size: 12px; cursor: pointer; text-decoration: underline;"
    5. ...
    6. >
    7. Add to Favorites</a>

    Any guidence?

    Thanks
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  2. #2
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    Re: Dynamic CSS style not changing

    I prefer not to use links for things that aren't actually links. Use buttons instead. Anchor elements should be reserved for actual hyperlinks to other pages.

    However, if you must, there's no need to use JS events to do that. Just use the :hover pseudo-class.
    css Code:
    1. a {
    2.   text-decoration: underline;
    3.   cursor: pointer;
    4. }
    5.  
    6. a:hover {
    7.   text-decoration: none;
    8. }

  3. #3

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    Re: Dynamic CSS style not changing

    But then I'll have to figure out the css sheet because the div already has a style css applied to it and that will mess it up.

    I just wanted to simulated a link to execute the js code function.

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  4. #4
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    Re: Dynamic CSS style not changing

    Doesn't matter. Just drop that CSS in and it will force link behaviour on all anchor elements.

  5. #5
    Ex-Super Mod'rater Electroman's Avatar
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    Re: Dynamic CSS style not changing

    Don't know if I'm missing the point but how about using an Anchor but href="#". Thats wot I normally do.

    Also if your Div has a class like:
    Code:
    <div class="class1">Blah Blah<br />
    <a href="#" class="class2" onclick="Func()">Click Here</a>
    </div>
    The link will have class1 applied to it but anything in class2 overrides class1. For example if class1 sets the font to 16pt and class2 sets it to 12pt.
    Then Blah Blah will be 16pt
    The link will be 12pt.
    When your thread has been resolved please edit the original post in the thread ()
    and amend "-[RESOLVED]-" to the end of the title and change the icon to , Thank you.

    When posting Code use the [VBCode]Code Here[/VBCode] tags to be able to use the code highlighting.

  6. #6

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    Re: Dynamic CSS style not changing

    Sup Paul! Long time no see.

    Yes, I know about the "#" as the href but cant use it as when you click it it adds the "#" to the end of the url in the addressbar.

    I will try creating a secondary child css for it and see how it goes. If I cant still get it to work then I'll have to leave it for later as I need to finish the page.
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  7. #7
    VB6, XHTML & CSS hobbyist Merri's Avatar
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    Re: Dynamic CSS style not changing

    IE6 and below doesn't support :hover element on any other element, so... this is the ugly way to make it work:
    Code:
    a.favorite { text-decoration : none; cursor : pointer; font-size : 12px; }
    a.favorite:hover { text-decoration : underline; }
    
    <a class="favorite" href="javascript:void(0)">Add to Favorites</a>
    There are other ways to prevent the default href from working, unfortunatenaly IE doesn't understand the easiest ones (like onclick="return false" works in everything except IE, I guess).


    If we go the unobstrusive standards way, there is base2 standards library by Dean Edwards that adds getElementsByClassName function into your toolbox, making it easy to find all the favorites links if there is more than one and you need to use class as identifier because of that. It also adds fixed event.preventDefault() feature for browsers in which it is broken or missing (yes, that means Internet Explorer!) which can prevent the default onclick event from happening.

    Anyways, if there is only one favorite link in the document, we can use an ID. This example should work in everything except Internet Explorer, and it works in IE once you add base2 and bind it to the document as is guided at Dean Edwards' blog.
    Code:
    <html>
    	<script type="text/javascript">
    window.onload = function() {
    	// get the favorite element
    	var favorite = document.getElementById('favorite');
    	// see if we got it
    	if (favorite) {
    		// change the function
    		favorite.onclick = function(e) {
    			// prevent default click event
    			// (this line raises error in IE if there is no base2)
    			e.preventDefault();
    			return false;
    		};
    	}
    }
    	</script>
    	<a href="#" id="favorite">Add To Favorites</a>
    </html>

  8. #8

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    Re: Dynamic CSS style not changing

    Thanks Merri, some cool stuff on his blog (still reading as its long). I will probably ue the href="javascript:void(0) uglyness as I am pressed for time but will see if I can do the base2 stuff first.

    Thanks
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  9. #9
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    Re: Dynamic CSS style not changing

    RobDog, your questions make me cry.
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  10. #10

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    Re: Dynamic CSS style not changing

    [Ralph Wiggum]Your answers make baby Jesus me cry.[/Ralph Wiggum]

    No better solution(s)?
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  11. #11
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    Re: Dynamic CSS style not changing

    I'm afraid that, in my view of the web, there are only terrible solutions to the question.

    The way I see it, the whole link should be created by JavaScript in the first place. Since it has no functionality if JS is disabled, it shouldn't be there either.
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  12. #12

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    Re: Dynamic CSS style not changing

    Other then an anchor, maybe using some other element to just give underlining and no-underlining on the events be better?
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  13. #13
    VB6, XHTML & CSS hobbyist Merri's Avatar
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    Re: Dynamic CSS style not changing

    Well, you can always create a separate page that adds to favorites without JavaScript, then also have a JavaScript solution.

  14. #14
    Kitten CornedBee's Avatar
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    Re: Dynamic CSS style not changing

    Quote Originally Posted by Merri
    Well, you can always create a separate page that adds to favorites without JavaScript, then also have a JavaScript solution.
    Erm, how would you add to favourites without JavaScript?


    RobDog: no, not better. The simple existence of the text "Add to Favorites" is nonsensical if that is not possible.
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  15. #15
    VB6, XHTML & CSS hobbyist Merri's Avatar
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    Re: Dynamic CSS style not changing

    Do you mean browser bookmarks? Does RobDog mean those?


    (I use favorites in my forum for marking favorite topics, so I have "add to favorites" link there.)

  16. #16

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    Re: Dynamic CSS style not changing

    My Favorits code works well. Its an anchor for copying an inputbox's text link that is read only. When they hover over either the text "Link to this site" or the inputbox it will select the text in the box and a tooltip will come up showing that they can click it to copy to clipboard or Ctl+C to copy.

    So its not really major but would be nice to have as they may not realize they can click the textbox.
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  17. #17
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    Re: Dynamic CSS style not changing

    I still maintain it should be a button, since JS or no JS it's never an actual hyperlink.

  18. #18

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    Re: Dynamic CSS style not changing

    Since when did you maintain that?
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  19. #19
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    Re: Dynamic CSS style not changing

    Since post #2.

  20. #20

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    Re: Dynamic CSS style not changing

    Ok, thats fair. But using a button is not an option as its asthetically
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  21. #21
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    Re: Dynamic CSS style not changing

    You can style a button... to look like a link.

    Nah, but they are completely customisable. If you specify border and background settings they lose their system appearance.

  22. #22

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    Re: Dynamic CSS style not changing

    "Gimme c0d"

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  23. #23
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    Re: Dynamic CSS style not changing

    http://www.w3schools.com/tags/tag_button.asp

    css Code:
    1. button {
    2.   border: 1px solid darkgreen;
    3.   /* etc. */
    4. }

    If you put a button inside a form it will default to submitting the form. If you put one on its own, it won't do anything: you need to add functionality through JS. Though, it should be added to the page through JS anyway. Use document.createElement.

  24. #24
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    Re: Dynamic CSS style not changing

    I have used this to make a button/input[type=button] look like a link:
    Code:
    input.postlink, button.postlink {
    	display: inline;
    	padding: 0;
    	margin: 0;
    	border: none;
    	background: transparent;
    	color: blue;
    	text-decoration: underline;
    	cursor: pointer;
    }
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