The first thing I do here is add a function enclosing all the JS polar chart code. Write some JS code to draw the polar chart The preparations are all done and it is time now to make the JavaScript-based polar chart show up on the canvas! 4. Now, to properly add this data to the chart, I create an array with the category name as the x parameter, as we are plotting on the X-axis, and the measure of each of the categories as the value parameter. To get a dataset for my future polar chart, I filtered DVS’s Data Visualization Census Survey 2020 data and identified the 15 most commonly used technologies as answered by the respondents. All the JS polar chart code will come here. The library is modular, and for the polar chart, all I need is the handy core and polar modules. Here, I am working with An圜hart, so I will include the required files from its CDN. Next, in the section of the page, I reference the specific scripts of the charting library being used. 2. Reference the required JavaScript files Also, the width and height of the block are specified as 100% to make the polar chart render over the whole page. Width: 100% height: 100% margin: 0 padding: 0 Īs you see the element is given an id so that I can refer to it later in the code. To begin with, I create a basic HTML page and a block element that will hold the polar chart: Join me in following these steps to make an awesome interactive JavaScript-based polar chart visualization! 1.
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