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{{implementation|JavaScript}} {{implementation|HTML}} '''Opera''' is a Norwegian web browser created by [[wp:Opera Software|Opera Software ASA]]. It uses the [[wp:Presto (layout engine)|Presto engine]] to present web pages. Historically, it's been known to be quick at implementing new features, such as being very early with tabbed browsing.

== JavaScript implementations == The latest version of Opera uses a JavaScript engine called Carakan. {{stub}}