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I'm aware of timing issues in Javascript, how its not exact/off by milliseconds etc, but I need something to at least attempt to do browser-based scheduling.
In terms of features, I'm thinking something along the lines of scheduling patterns described here: http://www.sauronsoftware.it/projects/cron4j/manual.php#p02
Anything out there? I've done google searches and haven't found any implementation worth nothing.
I thought I'd give it a quick go -- obviously this isn't production-code-worthy yet. Have a look.
Pimping my own code here, but I'm busy developing cron.js and its ready for general use.
As long as js engines live inside a browser, I don
t think there's much drive for such a feature. Now.. if one made a server js engine...
Take a look at scheduler.codeeffects.com. I don't know how it works but it has a js-based interface, so may be their scheduling engine is js-based, too. Just trying to help :)
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I've found myself from the monstrous JavaScript-project. I haven't seen any references to known design patterns and code files consists of 5000+ rows of messy code. Usual length of the function is about 100 lines. Also namespaces are messy. Any ideas how to get any sense for this project?
I've been trying to read the source code, but there are no comments whatsoever. Also there are no tests, so making changes is a matter of luck.
Abandoning the project is not a choice.
Are there any nice tools for helping? At the moment I'm using sublime & Chrome.
If you have the specs you could write tests then refactor safely. Your tests will tell you if you break anything.
On the other hand if you don't have specs, you can write your tests by generating a bunch of random values and record the associated results. With your current code, you know (by definition) that they are correct.
I have seen the latter approach at a conference about refactoring ugly, legacy code. The speaker generated lots of random value/result pairs, turned them into unit tests, and started refactoring ultra-quickly. The results were quite amazing and you knew for sure that nothing had broken in the process.
Of course, if your application is more complex than the "give me an input, i'll tell you the output" style, this is trickier. But maybe it will get you started !
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Basically, I need to convert existing JavaScript code to flowcharts, I've tried using Code Visual to Flowchart but it doesnt produce the flow charts how I would like them to (just shows links to the different functions...
Whereas Visustin actually separates each function automatically.
Is there any free alternative or even a lesser expensive software?
I think converting the code unedited results is useless due to too much detail. I would suggest a different approach that yields very readable flowcharts. http://code2flow.com creates flowcharts from C-like (or Javascript-like) pseudo-code which can contain arbitrary natural language. Please note that I am directly involved with this solution. You should probably create a different flowchart for each important function in your code.
Sample flowchart (you may click to edit)
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I've just recently started looking into the details of which events fire when in what browsers when an html page is loaded, and at how to use JavaScript, especially jQuery, to leverage those events to make a page do exactly what I want, when I want.
It seems like knowledge of when and how browsers set off events and how to access them in JavaScript is a pretty big deal, but there isn't really one, good place to go and learn about it. There are thousands upon thousands of juicy tidbits which contain all the information, many of which are even grouped on certain sites (like this one), but you generally have to know what you're looking for, which prevents a lot of the "stumble upon" effect when learning about a topic.
So is there a good place to learn about all the intricacies of something like the order of events when a page is loaded, or what exactly browsers do during an AJAX call, or just about how browsers deal with an general JavaScript event?
Haven't had time to read it myself but looks quite promising:
How Browsers Work
The holy grail of Javascript (events): quirksmode.
You could try Sitepoint.com http://www.sitepoint.com/javascript-from-scratch/ They do some very good and easy to read books and online guides for every skill level.
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Are there any screencasts that would dive deeply in writing testable JavaScript code?
Also explaining practices, tools, etc.
Preferably something well polished and presented as PeepCode's ones.
Have a look at this video from NDC 2010. It might not cover all your requirements but it was a good starting point for me.
I found that PeopCode's Backbone screencast series to be a good one.
It does indeed show how you can do unit-testing apart from other stuff.
After this question was posted, there was a talk about writing testable JavaScript at Full Frontal 2012.
The author also wrote the #1 google hit: Writing Testable JavaScript · An A List Apart Article.
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Are there any resources comparing the adoption rates of the various javascript frameworks similar to tcpi? Basically the number of sites using a particular framework on a time-line would be ideal.
I don't know of anything specifically like that, though Google Trends is probably a pretty good indication of popularity. For example, you can compare jquery and mootools:
http://www.google.com/trends?q=jquery,+mootools
You can use google trends for that:
http://www.google.com/trends?q=javascript+jquery%2C+javascript+prototype%2C+mootools%2C+javascript+yui&ctab=0&geo=all&date=all&sort=0
It's not totally accurate since it relies on searches made on google, but it gives a good idea
Take this three
Wikipedia article
SurveyMonkey
Another survey
(source: getdropbox.com)
I ran once into following estimation methods:
Community activity: using github - stars/forks/open/closed issues
FAQ support: using StackExchange API - questions/answered(solved)/avr. answers per question
Here I fetched these stats to compare AngularJs/Backbone/EmberJs (13.06.2014)
http://www.slideshare.net/dsheiko/java-script-framework-making-the-right-choice