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Hello Worldλ︎

Create a new file called src/hello_world/core.cljs and add the following code:

(ns hello-world.core)

(enable-console-print!)

(println "Hello world!")

  • The first line declares the namespace, defining a named scope for our code.. Every ClojureScript file must declare a namespace and this namespace must match a path on disk.

  • The second line enables direct printing to the JavaScript console object in your browser

  • The third line is what should be a familiar print message.