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Respond with JSON and/or HTML

This example demonstrates how to respond to requests with JSON and/or HTML in Deno Deploy.

Try Live Version

The example is deployed at https://json-html.deno.dev for demo.

Visit or curl https://json-html.deno.dev/json endpoint to get response in JSON.

curl --dump-header - https://json-html.deno.dev/json
# Response:

# HTTP/2 200
# content-type: application/json; charset=UTF-8
# content-length: 36
# date: Tue, 09 Mar 2021 15:11:57 GMT
# server: denosr
# x-dsr-id: asia-southeast1-a::runner-l4hc
# {"message":"Hello from Deno Deploy"}

Visit or curl https://json-html.deno.dev/html endpoint to get response in HTML.

curl --dump-header - https://json-html.deno.dev/html
# Response:

# HTTP/2 200
# content-type: text/html; charset=UTF-8
# content-length: 73
# date: Tue, 09 Mar 2021 15:15:56 GMT
# server: denosr
# x-dsr-id: asia-southeast1-a::runner-l4hc
# <html>
#   <p><b>Message:</b> Hello from Deno Deploy.</p>
# </html>

Run Offline

You can run the example program on your machine using deployctl:

deployctl run https://raw.githubusercontent.com/denoland/deploy_examples/main/json_html/mod.js
# Listening at http://localhost:8000