In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

JavaScript started as a language for scripting inside web browsers ; but it is now a general-purpose embeddable language .
JavaScript began as and primarily still is a language for scripting inside web browsers ; however , the standardisation of the language as ECMAScript has made it popular as a general-purpose embeddable language .

The 2008 UEFA European Football Championship ( or the Euro 2008 ) was the 13th UEFA European Championships .
The 2008 UEFA European Football Championship , commonly referred to as UEFA Euro 2008 or simply Euro 2008 , was the 13th UEFA European Football Championship , a quadrennial football tournament contested by European nations .

They put their claws back into their paws so they can move without noise and not leave footprints .

They retract their claws back into their paws , which grants them silent movement and protecting them from leaving distinctively incriminating pawprints that alert people to their actions .