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Topic: JavaScript engine

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In the News (Sat 19 Jan 19)

  About JavaScript - MDC
JavaScript is the Netscape-developed object scripting language used in millions of web pages and server applications worldwide.
This engine, code named SpiderMonkey, is implemented in C. The Rhino engine, created primarily by Norris Boyd (also at Netscape) is a JavaScript implementation in Java.
A JavaScript web server would expose host objects representing a HTTP request and response objects, which could then be manipulated by a JavaScript program to dynamically generate web pages.
developer.mozilla.org /en/docs/About_JavaScript   (476 words)

 JavaScript engine - Wikipedia, the free encyclopedia
A JavaScript engine (also known as JavaScript interpreter or JavaScript implementation) is an interpreter that interpretes JavaScript source code and executes the script accordingly.
The engine, code named SpiderMonkey, is implemented in C.
The Rhino engine, created primarily by Norris Boyd (also at Netscape) is a JavaScript implementation in Java.
en.wikipedia.org /wiki/JavaScript_engine   (191 words)

 Search Engine Listings - Can Spiders Crawl Your Site?
JavaScript is a wonderful technology, but it's invisible to all of the search engines.
In some cases the JavaScript is used to include a tracking code, in other cases it's used to send users to different domains based on the page.
While each of these search engine barriers can be removed, it's better to start with a search engine friendly design than to fix hundreds of pages after launch.
www.keyrelevance.com /articles/search-engine-listings.htm   (1597 words)

 CivicMaps Tile Engine
The approach is similar to the one taken at SVG Tile Engine which I wrote last summer.
This javascript engine is actually just a straight port of a java client based tile mapping engine which is visible at Java Tile Engine.
Javascript is not supported across all browsers but it is becoming increasingly present, stable and compliant.
maps.civicactions.net   (2052 words)

 drx: JavaScript [Computers: Programming: Languages: JavaScript] - loadaverageZero
In the past few years, the popularity of JavaScript has exploded—mostly due to a new programming paradigm known as Ajax, which allows the developer to combine client-side dynamic effects with data that is stored on the server—the result being Web applications that are similar in feel and response to traditional desktop software.
The Mozilla application framework, from which the popular Firefox browser is built, relies on JavaScript as a glue, or interface language (and is extensible through this technology).
In my opinion JavaScript, and similar technologies including Flash (which has another incarnation of JavaScript dubbed ActionScript), should remain unobtrusive, degrade gracefully and care should be taken so that the resulting applications are accessibile to all users.
loadaveragezero.com /app/drx/Programming/Languages/JavaScript   (2276 words)

 JavaScript C Engine Embedder's Guide - MDC
There are two main reasons for embedding the JS engine in your applications: to automate your applications using scripts; and to use the JS engine and scripts whenever possible to provide cross-platform functionality and eliminate platform-dependent application solutions.
The engine handles memory allocation for the JS data types and objects needed to execute scripts, and it cleans up -- garbage collects -- the data types and objects in memory that it no longer needs.
For example, suppose you are using the JS engine to automate your application using JS scripts, and suppose that one script your application runs authenticates a user and sets a user's access rights to the application.
developer.mozilla.org /en/docs/JavaScript_C_Engine_Embedder's_Guide   (4591 words)

 Internet Systems - October 1996 - Comparing JavaScript and VBScript
JavaScript, created by Netscape Communications Corp., seeks to be the standard for the Internet and the primary automation language used to control and activate Java applications.
JavaScript does not have a great deal in common with Java, but like Java the language is essentially a simplified version of C++.
For speed, the JavaScript is actually compiled and stored on the server, compared with the traditional interpreted execution that occurs with the JavaScript on the client side.
www.dbmsmag.com /9610i07.html   (4272 words)

 Javascript Tutorials: Making your javascript search engine friendly   (Site not responding. Last check: 2007-11-03)
When adding javascript, it can be a case of "out of sight, out of mind" when it comes to your search engine optimisation.
Typically, most javascript code is found at the start of your webpage, between the head tags.
Your webpages are search engine friendlier and you also have the added bonus of being able to call your javascript functions from other HTML pages, saving you from repeating code across multiple pages.
www.tipsntutorials.com /tutorials/Javascript/58   (421 words)

 The WebKit Open Source Project - JavaScript
WebKit's JavaScript engine, JavaScriptCore, based on KJS, is a framework separate from WebCore and WebKit, and is used on Mac OS X for applications other than web page JavaScript.
Fixing any of those failures would help our JavaScript engine be more compliant with the specification, and more compatible with real-world web sites as well.
We'd like to create a generic C language binding suitable for use by any project that wants to take advantage of the JavaScript engine, but which is easier to maintain compatibly than a C++ binding.
webkit.org /projects/javascript/index.html   (427 words)

 A. Sundararajan's Weblog
Mustang (Java SE 6) is co-bundled with Mozilla Rhino based JavaScript engine as an example implementation for javax.script API.
JavaScript functions can be passed as arguments and returned as values.
Because JavaScript is dynamically typed language, we can replace an object with any other object that "looks" like the "original".
blogs.sun.com /sundararajan/entry/javascript_debugging_tips_for_mustang   (1109 words)

 Chapter 1 The Client-Side Search Engine
In this case the string html is passed, so the engine returns all documents with html in the URL.
JavaScript will interpret that as an escape character and give you funky search results or choke the app altogether.
JavaScript 1.0 does not support that either; the workaround takes care of that, but it degrades performance.
www.oreilly.com /catalog/jscook/chapter/ch01.html   (6094 words)

 SpiderMonkey (JavaScript-C) Engine
SpiderMonkey is the code-name for the Mozilla's C implementation of JavaScript.
Some projects embedding the JavaScript engine (in addition to Mozilla itself) are listed in the projects page.
You can get the engine via CVS and build it yourself, or look for recent tarballs at (please check the mirrors first), http://ftp.mozilla.org/pub/mozilla.org/js/.
www.mozilla.org /js/spidermonkey   (210 words)

 JavaScript Articles, Links, and Resources / WebDeveloper.com ®   (Site not responding. Last check: 2007-11-03)
JavaScript excels at Modifying the DOM of a Web page, but we usually only do simple things with it, such as creating image rollovers, making tabs, etc. This week you're going to learn how to create items on your page that you can drag and drop.
JavaScript is a versatile language which can be used to create menus, validate forms, provide interactive calendars, post the current day's headlines, track a visitor's history on your site and much more.
JavaScript has had a roller coaster ride of early phenomenal success, then some bruisings and now renewed success as a macro language, but this recent success may be the highpoint for JavaScript.
www.webdeveloper.com /javascript   (6292 words)

 java.net: Java Sketchbook: Getting Started With Scripting
If you are a regular reader of java.net, you may have noticed a recent poll asking readers what scripting language they would like to see embedded in Java.
Simple snippets of JavaScript are used everywhere, and by supporting JavaScript we can instantly take advantage of that shared knowledge among our users.
It may not be the choice of skilled programmers (after all, I wouldn't use JavaScript to parse my web server logs or do automated backups), but for our target audience, non-professional programmers, it's the best thing out there.
today.java.net /pub/a/today/2004/09/20/javascript.html   (1342 words)

 Brendan Gregg : Weblog
This was achieved by adding USDT probes to the Spider Monkey JavaScript Engine, which is used by the Mozilla family of browsers including Firefox.
DTrace meeting JavaScript may sound like an odd combination, especially if you grew impressions of JavaScript when it was first used to make buttons change colour, or to make temperature converters.
The output can also be shuffled on multi-CPU clients if the JavaScript engine skips between CPUs; for this reason the first column has been printed, C for CPU-id, if this changes then the output may be out of order.
blogs.sun.com /brendan/entry/dtrace_meets_javascript   (1804 words)

 Ajaxian » Adobe Open Sources JavaScript Engine in Mozilla Foundation
The latest VM from Adobe is a fantastic JIT engine that screams on recent benchmarks.
Previous discussion made it appear that a JIT Javascript compiler would be 2010 thing for Firefox.
For the Open Source JavaScript framework qooxdoo (as well as all the other JavaScript frameworks), this is particularly great news as it had recently already revealed the major performance improvements of IE7.
ajaxian.com /archives/adobe-open-sources-javascript-engine-in-mozilla   (1403 words)

 Brendan's Roadmap Updates: JavaScript 1, 2, and in between   (Site not responding. Last check: 2007-11-03)
In spite of the fact that JS was misnamed (I will call it JS in the rest of this entry), standardized prematurely, then ignored and stagnated during most of its life, its primitives are strong enough that whole ecologies of toolkit and web-app code have emerged on top of it.
JavaScript is definitely being used as a "full blown programming language" and so the lack of corresponding tools like debugging, logging, profiling, etc. is getting more and more painful.
The project, dubbed “res_js”, is based on the Spider Monkey JavaScript engine which is the same engine developed by and used in the Mozilla project for their web browser.
weblogs.mozillazine.org /roadmap/archives/008325.html   (7994 words)

 ASV Internal JavaScript Engine - Svg wiki
This is turned on in browsers that don't support communication between plug-ins and javascript.
ASV uses the Mozilla (Rhino) JavaScript engine (specifically, SpiderMonkey), as does Batik and Mozilla itself.
However default event listeners (content of onfoo attributes) always run in the script engine that was defined for top-level svg element.
wiki.svg.org /index.php?title=ASV_Internal_JavaScript_Engine   (304 words)

 JavaScript Lint
With JavaScript Lint, you can check all your JavaScript source code for common mistakes without actually running the script or opening the web page.
JavaScript Lint holds an advantage over competing lints because it is based on the JavaScript engine for the Firefox browser.
This provides a robust framework that can not only check JavaScript syntax but also examine the coding techniques used in the script and warn against questionable practices.
www.javascriptlint.com /index.htm   (260 words)

 JavaScript Kit- JavaScript search engines
A JavaScript search engine that allows your surfers to painlessly choose among many search engines to use to search the net, using a drop-down box.
JSE is a robust, 100% client side search engine for indexing and searching your own site, using JavaScript 1.3.
This is a cool and unique external search engine that not only allows you to choose from many search engines to search the net, but search multiple search engines simultaneously.
www.javascriptkit.com /script/cutindex14.shtml   (237 words)

 Dragon Labs | The Octopus Engine
This leads to rather abrupt corner shadows, while Octopus Engine lets the transitions be as smooth as they need to.
The Octopus Engine's elegance lies in the fact that it can be adapted to just about any style and configuration that you want.
We'll use the Javascript to add in the 8 (or however many, we'll have one for fixed width and one for drop shadows also) divs.
www.dragon-labs.com /articles/octopus   (1805 words)

 Scripting for the Java Platform
The API is only slightly more complex if you want to query the list of supported scripting engines, to pass values back and forth to the scripting environment, or to compile a script for repeated execution.
for engines that associate a particular file extension, to execute the script from a file, and to call a specific function in a script.
Although it is the only engine available in the core Java SE 6 platform libraries, you can add additional engines by installing a JAR file-based service provider into your JRE, as mentioned earlier.
java.sun.com /developer/technicalArticles/J2SE/Desktop/scripting   (3023 words)

 The JavaScript Weblog
Using a Javascript syntax, developers can add their own functionality to the program to do several repetitive tasks with the click of a button, for example.
Using Javascript to utilize the scroll wheel a la Google maps is the new "cool guy" thing.
The JavaScript Weblog is a member of the Weblogs, Inc. Network.
javascript.weblogsinc.com   (1750 words)

 Desktop Applications using JavaScript engines - Mark McLaren's Weblog
The engine called WebKit is open source and consists of WebCore and JavaScriptCore; an HTML/CSS renderer and JavaScript engine based on KDE's KHTML and KJS.
Konfabulator utilises Mozilla SpiderMonkey (written in C) as its JavaScript engine, this is the same JavaScript engine used in the Mozilla and Firefox browsers.
Konfabulator provides specialised extensions to JavaScript to enable system interaction and widgets call the same API irrespective of what platform they are on (only the server implementation actually differs).
cse-mjmcl.cse.bris.ac.uk /blog/2005/09/15/1126774473609.html   (1361 words)

 IE7 JavaScript Improvements - The Web Standards Project
While it is nice that IE 7 has performance and standards improvements in the JScript engine, it’s catch-up arrival is late in the game.
javascript in IE7 RC1 still does not work well for me. Actualy, some javascript that can be executed with the IE7 beta 2 does not work in IE7 RC1.
On the contary, javascript has had a fresh lease of life, enabling a whole range of web apps that owe there snappy performance and rich featureset to ajax style scripting.
www.webstandards.org /2006/09/21/ie7-javascript-improvements   (1075 words)

 Object Oriented Javascript - Part 2 - WebReference.com-
In the previous article I demonstrated how JavaScript classes could be written to inherit the methods and properties of another class.
This is an irritation as it's often useful to inherit from these basic classes in order to develop various extensions that have extra behaviours, such as validation of values and specialized formatting.
This class attempts to construct itself using the JavaScript String constructor and attach the charAt method to use on its supposed string internal value.
www.webreference.com /programming/javascript/gr/column19/index.html   (409 words)

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