There are 2 definitions of JavaScript in English:

JavaScript

Syllabification: Ja·va·Script
Pronunciation: /ˈjävəskript, ˈjavə-
 
/

noun

trademark
An object-oriented computer programming language commonly used to create interactive effects within web browsers.

Origin

1990s: from Java2 + script1.

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Word of the day middlescent
Pronunciation: ˌmɪdəˈlɛs(ə)nt
adjective
middle-aged, but still maintaining youthful interests and activities 

There are 2 definitions of JavaScript in English:

JavaScript

Line breaks: Java¦Script
Pronunciation: /ˈʤɑːvəˌskrɪpt/

Entry from British & World English dictionary

noun

[mass noun] trademark
An object-oriented computer programming language commonly used to create interactive effects within web browsers.

Origin

1990s: from Java2 + script1.

More definitions of JavaScript

Definition of JavaScript in:

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Word of the day middlescent
Pronunciation: ˌmɪdəˈlɛs(ə)nt
adjective
middle-aged, but still maintaining youthful interests and activities