Articles tagged: ‘javascript’
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Resolving a
@parcel/optimizer-swcerror messageHow to resolve @parcel/optimizer-swc
is defined multiple times errors. -
Managing media and animations with IntersectionObserver
Learn the basics of the IntersectionObserver API from this tutorial.
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The CSS.supports() API revisited
Since its introduction in 2012, the CSS.supports API has undergone a few syntax changes. This...
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Using attr(), with pseudo-elements and JavaScript
Using the CSS attr() function with JavaScript and pseudo elements such as ::before and ::after.
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An Introduction to IndexedDB
'IndexedDB offers a powerful way to store and retrieve data in the browser. As with server-side...
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Getting to Know Mutation Observers
'In this article, Tiffany Brown has a look at mutation observers, how they are different from...
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Supporting and detecting @supports
Opera recently added support for the @supports feature of the CSS Conditional Rules Module....
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Make fewer DOM updates with
createDocumentFragment()During a recent conversation about some code I've released, the other party asked me why I...
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Opera Mini and JavaScript
'Opera Mini is one of the world’s foremost mobile browsers, which runs on pretty much any...
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An Introduction to HTML5 Web Messaging
'HTML5 web messaging provides a way for documents to share data without exposing the DOM to...
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The HTML5 video progress event: Redux
In my first post on HTML5 video and its progress event, I wrote: Only Firefox provides a means...
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The HTML5 video progress event
UPDATE: Thanks to zcorpan's comments, I have posted a follow-up entry that should clarify the...
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Increment and decrement, prefix and postfix
I created this example of the increment (++) and decrement (--) operators in action because I...