Learn how to create D3js v6 calendar heat map. Create chart dimensions and scales. Create new project in Goland, name it medium_d3. Download latest d3.js library and save it into this js directory. Create new file homepage.js in this js directory.
This was the reason for this article. I was not able to find out working example of version 6 calendar heat map so I decided to make one.
Please note, that this work stands on shoulder of other people.
In this article, we will use strategy I learnt in Amelia Wattenberger’s book and we will build on those steps:
We will use latest version of D3js, which is version 6.3.1, as of January 9, 2021. We will use Go as a web server to simulate some pseudo-real world backend data sending. And we will use Goland as an IDE.
You can skip Preparing the project, if you only need the D3js information. As always, you’ll find link to Github repository at the end of the article.
Here you can find more information about creating web server in Go.
Create new project in Goland, name it medium_d3
homepage.jsin this js directory.
homepage.htmlin html directory
Go announced Go 1.15 version on 11 Aug 2020. Highlighted updates and features include Substantial improvements to the Go linker, Improved allocation for small objects at high core counts, X.509 CommonName deprecation, GOPROXY supports skipping proxies that return errors, New embedded tzdata package, Several Core Library improvements and more.
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