Closed
Bug 279207
Opened 20 years ago
Closed 20 years ago
50-60% CPU usage when visiting sites with scrolling text (javascript)
Categories
(SeaMonkey :: General, defect)
Tracking
(Not tracked)
RESOLVED
DUPLICATE
of bug 137584
People
(Reporter: token4, Unassigned)
References
()
Details
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8a6) Gecko/20050111 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8a6) Gecko/20050111 High CPU usage (Javascript) when visiting http://cs.senecac.on.ca/DM/cs_builder/build_current_dm.php. On the bottom of the page, the scrolling message (javascript) is the cause. When Javascript is disabled for "Navigator", CPU usage drops to almost 0%. IE doesn't seem to have this problem. Note: Firebird seems to have the same problem, except its CPU usage stays at around 35-45% Reproducible: Always Steps to Reproduce: 1.goto http://cs.senecac.on.ca/DM/cs_builder/build_current_dm.php 2.Wait for a few seconds untill the scrolling message board start to scroll 3.CPU usage stays at around 50-60% Actual Results: CPU usage stays at around 50-60% Expected Results: Less than 1%
Summary: 50-60% CPU usage when visiting the above site. → 50-60% CPU usage when visiting sites with scrolling text (javascript)
Comment 1•20 years ago
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token4: if you are webmaster of such site or if you can get in touch with the site manager, then you can notify them of cross-browser and W3C compliant alternatives for DHTML newsticker: Cross-browser and web standard compliant Stock Ticker example http://web.archive.org/web/20040202191024/http://devedge.netscape.com/toolbox/examples/2001/stock-ticker/ and Comprehensive W3C web standard compliant alternative to <marquee> http://web.archive.org/web/20040202065251/http://devedge.netscape.com/toolbox/examples/2002/xb/xbMarquee/ The culprit is: <script type="text/javascript"> /*********************************************** * IFRAME Scroller script- © Dynamic Drive DHTML code library (www.dynamicdrive.com) * This notice MUST stay intact for legal use * Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code ***********************************************/ found at: http://cs.senecac.on.ca/cs_modules/rss_feeds.php Resolving as DUPLICATE of bug 137584 *** This bug has been marked as a duplicate of 137584 ***
Status: UNCONFIRMED → RESOLVED
Closed: 20 years ago
Resolution: --- → DUPLICATE
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Description
•