Javascript performance improvement in browsers over years [closed] - javascript

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i'm a teacher in cartography and i'm preparing a course about client-side webmapping with JS apis and libs.
I searched the web for sources about browsers improvement in javascript performance, but i can't find recent data.
Any ideas ? Thanks !

If you're looking for up to date data, you can give jsPerf a go.
http://jsperf.com/
They use a service called BrowserScope, http://code.google.com/p/browserscope/. From their home page, http://www.browserscope.org/:
Browserscope is a community-driven project for profiling web browsers.
They have a history of JavaScript performance in various browsers and is updated frequently.
If you're interested in getting performance throughout the ages of JavaScript you can also run it yourself in Virtual Machines across various browsers.

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Best and most lightweight javascript for play sound in mobile devices [closed]

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Closed 8 years ago.
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I want implement to my web-app sound notifications with volume control and selection of sounds. So when user will receive example message then webapp execute selected sound with currently set volume level.
Requirements:
No jQuery dependency
Lightweigt as possible
Compatible with all mobile browsers
I have found some javascripts:
soundmanager2
soundjs
I have not any experience with those scripts so I wanna ask if is there any better solution or which mentioned script is better?
Thanks for any opinion.
You can look at the html5 Audio tag.
You are going to find it difficult to find one solution that will work on ALL browsers.
SoundJS is the best and works everywhere, but I'm biased because I work on it.
Hope that helps.

Plugin that detects images in a webpage like Imgur [closed]

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I am trying to make a cross-browser plugin that detects images from a webpage like imgur and pinterest. I have been looking at crossrider...is that a good option? the API is tricky to understand. If anyone has experience with something like this or can give me a good starting point, i would really appreciate it.
In general, the Crossrider framework supports cross browser extension development and provides APIs and plugins to make it easier, but at the end of the day it's up to you to evaluate the framework and see whether it meets your needs. The tutorial you quoted relates to creating a bookmarklet extension and does not pertain to images.
For your specific requirement, there is an images plugin (see the Plugins page) that facilitates working with images on a page.
As #Lix correctly mentions, this is not the place to ask such general questions and hence I recommend that you start by reading the Crossrider docs and searching the forum. If you have any further general questions, email them to support#crossrider.com.
Of course, if you have any specific code related questions, Stack Overflow is another great place to get answers ;-)
[Disclosure: I am a Crossrider employee]

Code Editing over the internet [closed]

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Closed 9 years ago.
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Is there a place that I can post code to have it looked over by others? Where they can help edit it and post suggestions on what they think would make it more efficient. You would think that I am asking about the site I am currently posting to (SO). However, I mean where people are just willing to look it over and help debug. Not where you have to have a specific question about a certain piece of your code.
Back in the day it would just be a group of buddies all working on one project in the living room of someone's house where they all brought their computers over to. My friends have lost interest in programming though. So I am looking for something that can hook me up with other people so we can critique each other. Is it out there? Or do I need to build it?
Yes. Koding.com, which is currently in beta, offers you free space and basically a development server, and it's much like stack overflow. You can share code snippets and work with multiple people there.

Angular Boilerplate [closed]

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There seem to be quite some angular.js boilerplate-kits to get started; angular-seed, some using requirejs and so on, but lots of the ones I found appear to be quite dated. Being new to angular: is there any boilerplate "to go", something hyped everybody uses? I'm looking for a good, proved way to give my app structure.
Things I could find so far include
yeoman/generator-angular
angular/angular-seed
CaryLandholt/AngularFun
angular-app/angular-app
I agree with finishingmove, it depends on your project.
I'm a huge fan of ng-boilerplate.
It has an awesome modular structure. I prefer it over to stacks or sock drawer.
There is no one correct way to structure every application.
And definitely nothing more mainstream than what you've already found.
Start from that and work your way towards what's optimal for your current application.
I would recommend a simpler structure at first (naturally separate vendor from application files, CSS etc.), then refactoring as you go along.

I am looking for a JavaScript IRC client [closed]

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http://sourceforge.net/projects/jisirc/ is exactly what I need, only problem is it has multiple ActiveX dependencies and that will not do. Does anyone know of any similar projects which are more portable?
You will have to have dependencies to an external application in order to open a socket towards the IRC server.
It can be dependent on the browser architecture (ActiveX controls, Mozilla based, ...)
Dependent on a java applet (in this case the irc server should be run on the same host the javascript originates from (unless you go towards signed applets))
The "real" IRC client is running on server-side, and the script is only used to communicate with that client.
In DmitryK's list you will find an example for each.
http://ajaxian.com/archives/mibbit-ajax-based-irc-client
http://www.mozilla.org/projects/rt-messaging/chatzilla/
http://www.dynamicdrive.com/forums/archive/index.php/t-5374.html

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