RegexPal is a tool to learn, build, & test Regular Expressions (RegEx / RegExp). Results update in real-time as you type. Roll over a match or expression for details. Save & share expressions with others. Explore the Library for help & examples. Undo & Redo with {{getCtrlKey()}}-Z / Y. Search for & rate Community patterns.
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Tweet Follow @LeafletJS L.Map The central class of the API — it is used to create a map on a page and manipulate it. Usage example // initialize the map on the "map" div with a given center and zoom var map = new L.Map('map', { center: new L.LatLng(51.505, -0.09), zoom: 13 }); // create a CloudMade tile layer var cloudmadeUrl = 'http://{s}.tile.cloudmade.com/YOUR-API-KEY/997/256/{z}/{x}/{y}.png',
Chief executive of the world’s leading chip maker Nvidia says that artificial intelligence (AI) has…
Douglas Crockford is Yahoo!'s JavaScript architect and a member of the committee designing future versions of the world's most popular programming language. Over first three months of 2010, Douglas delivered his acclaimed series of lectures on the history of JavaScript, its features, and its use. Links to video, transcripts, and photos from each of the events follows: Volume One: The Early Years (
I decided I wanted to get better at JavaScript. I've been programming in it for a while but I never really developed any good skills in it. I was just mostly copy pasting examples together and adjusting code to get it working. I recently found a bunch of really good programming video lectures on JavaScript and decided to watch them. These lectures are given by Douglas Crockford who is a senior Jav
How do I start? Work through the UI Hello World. Work through the API Hello World. Download the application. Work through the Application Hello World. Read about Advanced compilation. Use the Closure Inspector to debug. Explore the project's source code. What is the Closure Compiler? The Closure Compiler is a tool for making JavaScript download and run faster. It is a true compiler for JavaScript.
Version 0.99.1 Beta Download a zipfile with the source code, developer’s guide, and a few demos: cssutilities.zip [370K] These are the demos — a few simple tools that illustrate some different kinds of data and functionality the library can provide: Live CSS Inspector Click on any element to inspect its CSS rules Get Specificity Enter a CSS selector into the textbox, and get a simple visual repres
created by Brian LeRoux & Andrew Lunny. sparodically uncurated by David Trejo. 2016 03 19 weird instanceof2016 03 10 Object And Array Prototype Length2016 03 09 Two Special Numbers2015 04 23 screwy negative array index2015 04 16 moving numbers2015 04 08 array sort2015 03 23 adding arrays2015 02 05 good old octal decimal wtf2015 02 02 Boolean constructor2014 11 22 object as object key2014 10 07 tru
November 8th, 2009 Here are the slides from my “Extreme JavaScript Performance” talk that I gave at JSConf.eu on November 7 in Berlin. I’m talking about 6 easy things you can do to improve your JavaScript runtime performance, ranging from simple things (function inlining) to some quite surprising findings on how JavaScript engines deal with loops. There’s benchmarks for the four most common JavaSc
Millions of Google users worldwide use JavaScript-intensive applications such as Gmail, Google Docs, and Google Maps. Like developers everywhere, Googlers want great web apps to be easier to create, so we've built many tools to help us develop these (and many other) apps. We're happy to announce the open sourcing of these tools, and proud to make them available to the web development community. Cl
Chrome Experiments is a showcase of work by coders who are pushing the boundaries of web technology, creating beautiful, unique web experiences. You'll find helpful links throughout the site for creating your own experiments, and you can also explore resources like WebGL Globe and our workshop of tools.
Although there are many JavaScript frameworks available, jQuery has remained the most popular and influential in web design and development. Its main purpose is to simplify the process of writing complex JavaScript functions by bundling them into methods that can be called with just one line of code. This makes it lightweight and easy to extend with free plugins for almost any functionality you ca
As the Web grows and becomes more dynamic, more and more websites have user-generated content and tools that greatly improve the user experience in terms of usability and accessibility. Interactive solutions for lightboxes, form validation, navigation, upload, auto-complete, image cropping, slideshows, tool tips, sliders and tables are being developed that use nifty JavaScript and AJAX scripts. Wh
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