Meet Deno: The New JavaScript/TypeScript Runtime

Meet Deno: The New JavaScript/TypeScript Runtime

Deno 1.0 was released on May 13, 2020. Deno is Ryan Dahl’s (yeah, you guessed it right, the guy who created Node.js) latest venture. But it isn’t just another JavaScript Engine. It also supports TypeScript — JavaScript’s strictly typed cousin — out of the box.

Deno is Ryan Dahl’s (yeah, you guessed it right, the guy who created Node.js) latest venture.

But it isn’t just another JavaScript Engine. It also supports TypeScript — JavaScript’s strictly typed cousin — out of the box.

Installing Deno

On macOS, you can install Deno using Homebrew — the open-source software package manager for macOS:

brew install deno

Here’s a GIF to give you a better idea:

The output of the “brew install deno” command. Image Credits: Pratik Chaudhari (Author)

The output of the “brew install deno” command. Image Credits: Pratik Chaudhari (Author)

On Windows, Chocolately serves an alternative to macOS’s Homebrew:

choco install deno

On Linux, good ol’ curl will do the job:

curl -fsSL https://deno.land/x/install/install.sh | sh

Once Deno is installed, one can run the following command to see all the command-line options that are available:

deno --help

The output of the above command will look something like below:

The output of executing the “deno” command on Terminal. Image Credits: Pratik Chaudhari (Author)

The output of executing the “deno” command on Terminal. Image Credits: Pratik Chaudhari (Author)

deno nodejs typescript runtime javascript programming

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