Getting Started With Chart.js
Why Stack Overflow recommends it
Stack Overflow users are people following this tutorial who cite it when asking why their Chart.js code fails to render colours or throws a constructor error.
Recommended by 1 people across 1 different months, 2021 to 2022.
What it is
A beginner tutorial by Brad Traversy on Chart.js, the JavaScript library for drawing bar, line, pie and other charts in HTML. He builds a chart from scratch on a canvas element and walks through the basic configuration and styling options.
What people said
Recommends Prashin Jeevaganth · 2021-09 · Stack Overflow · on “ChartJS doughnut chart not displaying colours”
I am learning ChartJS and following along this tutorial [this video] . Tried to adapt the code to fit a doughnut chart, but for some reason, the background colours of the chart are not appearing for me. Does anyone know why? Let me know if more information is required. file1.html <!DOCTYPE html> <html> <head> <script src=" [LINK] "></script> </head> <body> <h1> OUTPUT </h1></br> <h2> For 6_BTV-SISPA R1, there were 37425 hits out of 1316368 reads </h2></br></br> <div class="container"></br> <canvas id="diamondChart1"></canvas></br></br> <script src="simplified.js"></br> </script></br></br> </footer> </footer> </body> </html> simplified.js let myChart1 = document.getElementById("diamondChart1").get
Cites Julius · 2021-04 · Stack Overflow · on “Why is my chart not working? What am I missing”
SO I am currently following a tutorial on youtube [this video] and the guy uses a script in html. I dont want to separate them and created a js file. Seemed easy but its not working. I have no idea what im missing. I have done exactly like him except I moved all the js code to a js file. here is a link to code.pen: [LINK] Code in js.file let myChart = document.getElementById("myChart").getContext("2d"); let massPopChart = new Chart(myChart, { type: "line", data: {}, options: { labels: ["Stockholm", "Göteborg", "Malmö", "Uppsala", "Upplands Väsby"], datasets: [{ label: "Population", data: [ 1515017, 599011, 316588, 160462, 144826 ] }] }, options: {} }); code in HTML file <!DOCTYPE html> <html lang
Cites frustratedscreaming · 2022-02 · Stack Overflow · on “Chart.js v3.7.1 Chart is not a Constructor”
I am following a Youtube tutorial on chart.js ( [this video] 9:05 point of error on my code) when they look at their webpage with the graph it shows up with no errors, however when I attempt to recreate this, I run into "Uncaught TypeError: Chart is not a Constructor". I'm not sure where I went wrong here. I've tried changing var to let, adding dimensions on the canvas tag, and reverting the Chart.js version to a lower, possibly more stable version as many forum posts have recommended but to no avail I keep running into this this issue and it is leading me to believe its an over looked error in my code. Which is the following: <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta n