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Thread: Damn dirty javascript
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Nov 3, 2001, 08:54 #1SitePoint Wizard
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Damn dirty javascript
Could use some help guys and gals. I'm looking to create and image with various "hotspots" that trigger differant swaps (eight in total) for that image. At the same time, I'd like another image elsewhere on the page to change.
I usually avoid all but the most simple JS like the plague (most of my work is for NGO's who want the site to be accessible to everyone down to NS1 users (ish)). However, this project is for a friend so I thought I'd have some fun.
Any ideas how to achieve this (I could use FW, but I don't like, or understand, the code).
Many thanks
H~The Artist Latterly Known as Crazy Hamster~
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Currently delving into Django, GIT & CentOS
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Nov 3, 2001, 09:31 #2SitePoint Wizard
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'sok - found a resource. If anyone is interested:
'nother q though. I am using php to detect browser, and serving either totally non js or js (making assumptions based on browser). This results in three script definition in the head section (with this one). Is there a limit - if so, at what point do things start going pear shaped?Code:<HTML> <HEAD> <TITLE>Simple Image Rollovers</TITLE> <SCRIPT LANGUAGE=JAVASCRIPT TYPE="TEXT/JAVASCRIPT"> if (document.images) { image1 = new Image image2 = new Image image3 = new Image image4 = new Image image1.src = "image1.jpg" image2.src = "image2.jpg" image3.src = "image3.jpg" image4.src = "image4.jpg" } </SCRIPT> </HEAD> <BODY> <a href="somewhere.html" onMouseover="document.rollover1.src=image2.src;document.rollover2.src=image4.src" onMouseout="document.rollover1.src=image1.src"> <img src="image1.jpg" name="rollover1" border="0"></a> <br> <img src="image3.jpg" name="rollover2" border="0"> </BODY> </HTML>
H~The Artist Latterly Known as Crazy Hamster~
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Currently delving into Django, GIT & CentOS
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Nov 3, 2001, 12:13 #3SitePoint Guru
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Hi TheOriginalH,
RE:1) I'm not sure what you mean'nother q though...results in three script definition...Is there a limit...
2) If you mean 3 <script> tags, you only need 1 set of tags within the head section -- unless you are specifying different scripts with contradictory specifications (for javascript1.1, javascript1.4, etc)
3) insofar as how many 'scripts' (functions, declarations, etc) are allowed before bloat -- that has more to do with user memory -- remember, the entire page gets downloaded to the user's machine (html, images & javascript) Theoritically, there is no limit; in reality, I wouldn't try downloading a meg and expect it to work
Another caveat: there may be a 'real' limit to the number of vars/functions a browser can hold -- my guess would be an int (256 -magic numbers always do things in programming languages)
VinnyWhere the World Once Stood
the blades of grass
cut me still
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