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Thread: Javascript fadein question

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  1. #1
    Join Date
    Nov 2013
    Posts
    1

    Javascript fadein question

    Hello

    I'm a bit rusty on my javascript.

    I have an image map where I have rollovers working. It's a pie shaped map and the slices pop out on rollover. That part is working.

    However, I'd like to get a fade in effect for the pop out.

    • The site is a joomla site with jquery helper running
    • I'm calling the image map from the img tag


    I am preloading the images

    Code:
    <script language="javascript" type="text/javascript">// <![CDATA[
         Image0 = new Image(800, 659)
    		   Image0.src = "images/360.jpg"
    		 Image1 = new Image(800, 659)
    		   Image1.src = "/images/360-slice-1.jpg"
    etc...
    
    // ]]></script>
    I have these functions to display the pop out.

    Code:
    <script language="javascript" type="text/javascript">// <![CDATA[
    
    (code for slices 2-6)
    
    		}
    		function slice1() {
    			document.circle.src = Image1.src;
    			return true;
    		}
    		function original() {
    			document.circle.src = Image0.src;
    			return true;
    		}
    // ]]></script>

    My image map looks like

    Code:
    <map name="360-map"> 
    <!-- #$-:Image map file created by GIMP Image Map plug-in -->
    <!-- #$-:GIMP Image Map plug-in by Maurits Rijk -->
    <!-- #$-:Please do not edit lines starting with "#$" -->
    <!-- #$VERSION:2.3 -->
    <!-- #$AUTHOR:chris -->
    <area shape="poly" coords="397,278,476,140,530,182,565,238,577,284,580,318,421,319,415,293" alt="National Training Team" href="/images/360-slice-1.jpg" onmouseover="slice1()" onmouseout="original()">
    
    
    code for slices 2-6
    
    <AREA SHAPE="default" nohref>
     </map></p>
    <p>&nbsp;</p>

    I tried a lot of different combos of fadein commands but just can't seem to make it work.

    Questions

    • Can anyone help me out with this?
    • Jquery helper is running on Joomla. As far as I know, the jquery librarys are loaded for each article (page) . Is there a way to test for jquery if I need it??



    Thanks - I'd really appreciate any ideas...

    chris

  2. #2
    Join Date
    Mar 2007
    Location
    localhost
    Posts
    5,764
    Sounds like you need some CSS to do that, I did have a link to CSS3 and transitions, try googling about CSS tricks and transitions.
    --> JavaScript Frameworks like JQuery, Angular, Node <--
    ... and please remember to wrap code with forum BBCode tags:-

    [CODE]...[/CODE] [HTML]...[/HTML] [PHP]...[/PHP]

    If you can't think outside the box, you will be trapped forever with no escape...

  3. #3
    Join Date
    Mar 2007
    Location
    localhost
    Posts
    5,764
    Here you go, this might be the thing to help you http://css-tricks.com/almanac/properties/t/transition/
    --> JavaScript Frameworks like JQuery, Angular, Node <--
    ... and please remember to wrap code with forum BBCode tags:-

    [CODE]...[/CODE] [HTML]...[/HTML] [PHP]...[/PHP]

    If you can't think outside the box, you will be trapped forever with no escape...

  4. #4
    Join Date
    Mar 2007
    Location
    localhost
    Posts
    5,764
    --> JavaScript Frameworks like JQuery, Angular, Node <--
    ... and please remember to wrap code with forum BBCode tags:-

    [CODE]...[/CODE] [HTML]...[/HTML] [PHP]...[/PHP]

    If you can't think outside the box, you will be trapped forever with no escape...

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