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Gleam / Practical Gleam

JavaScript target externals

Learn JavaScript target externals in Gleam with a focused explanation, a topic-specific example, and a mastery check.

12 min read • Intermediate

gleam-032.gleam

gleam

@external(javascript, "./browser.mjs", "alert")
pub fn alert(message: String) -> Nil
pub fn main() { alert("Hello from Gleam") }

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Original Syntaxis Content · Original Syntaxis Content

Lesson quizzes

JavaScript target externals Mastery Check →