Learn English – Word or phrase for a person who is impatient and likes studying new things by example

Wikipedia suggests:

Neophile: A lover of new things, especially new technology.

A callithumpian

1836, U.S. colloquial, probably a fanciful construction at one time designating a society of social reformers, then in reference to "noisy disturbers of elections and meetings," and most commonly "a band of discordant instruments."

Actually paired adjectivally with chaos in stanza 84 of David Van Alstyne's 296-versed mouthful of a poem:

buccaneerishly galumphing into grievous garboils of chthonian uproar and terpsicoresan bedlam, and for gallivanting in great gyres of callithumpian chaos in a three-ring circus of near-simian agitation