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Code 201, Foundations of Software Development
Class 12 - Reading Notes
Readings: Chart.js, Canvas
What does the <canvas> allow a developer to achieve?
- The Canvas API provides a means for drawing graphics via JavaScript and the HTML element. It can be used for animation, game graphics, data visualization, photo manipulation, and real-time video processing.
What is the importance of the closing </canvas> tag?
- If the browser doesn't support canvas, content can alternatively be placed between canvas tags.
Explain what the getContext() method does.
- returns a drawing context (an abstract).
What is Chart.js and how it can be brought into your project?
- An API, installed with NPM, that can add graphs/graphics to data.
List 3 different Chart types you can create using Chart.js.
- Scatter Plot
- Line Chart
- Bar Chart
Easily Create Stunning Animated Charts with Chart.js
What are some advantages to displaying data via a chart over a table?
- Tables can be difficult to format/build and also have limited search function. Utilizing a chart allows the user to see a graphical representation of the data.
How could Chart.js aid your previously created applications visually?
- Plugging data into the API gives a better representation, of the data, than the chart that would be generated by JS.
Things I want to know more about:
https://chrisjohnston1986.github.io/reading-notes/201class12reading