Created
January 21, 2021 13:09
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| </head> | |
| <body> | |
| <canvas></canvas> | |
| <script> | |
| const canvas = document.querySelector("canvas"); | |
| const ctx = canvas.getContext("2d"); | |
| canvas.width = 1080; | |
| canvas.height = 1000; | |
| const center = canvas.width / 2; | |
| let data = `AskReddit,0.088,3825 | |
| funny,0.22,5383 | |
| aww,0.41,8081 | |
| dataisbeautiful,0.175,3856 | |
| news,-0.18,3069 | |
| politics,-0.144,4435 | |
| gaming,0.201,4821 | |
| pics,0.198,3779 | |
| science,0.056,2824 | |
| worldnews,-0.016,2912 | |
| Jokes,0.128,3871 | |
| food,0.411,4430 | |
| PublicFreakout,-0.034,3968 | |
| todayilearned,0.117,2868 | |
| iamapieceofshit,-0.222,2015 | |
| conspiracy,-0.023,5148 | |
| rage,-0.242,5063`.replace(/\t/g, "").split("\n"); | |
| data.sort((b, a) => {return Number(a.split(",")[1]) - Number(b.split(",")[1])}) | |
| function render() | |
| { | |
| ctx.fillStyle = "white"; | |
| ctx.fillRect(0, 0, canvas.width, canvas.height); | |
| ctx.font = "30px Helvetica"; | |
| ctx.fillStyle = "black"; | |
| ctx.textAlign = "center"; | |
| ctx.fillText("Sentiment Analysis of Major Subreddits", center, 65); | |
| for (let item = 0; item < data.length; item++) | |
| { | |
| let yOffset = item * ((canvas.height - 125) / data.length) + 100; | |
| let parsed = data[item].split(","); | |
| let isNegative = Number(parsed[1]) < 0; | |
| let size = Math.abs(Number(parsed[1]) / (isNegative ? 0.242 : 0.411)) * (center - 150); | |
| ctx.fillStyle = isNegative ? "rgb(209, 55, 38)" : "rgb(24, 115, 153)"; | |
| ctx.fillRect( | |
| center + (isNegative ? -55 : 55) + (isNegative ? -size : 0), | |
| yOffset - 7.5, | |
| size, | |
| 40 | |
| ); | |
| ctx.fillStyle = "black"; | |
| ctx.font = "15px Helvetica"; | |
| ctx.textAlign = "center"; | |
| ctx.fillText(parsed[0], center, yOffset + 8); | |
| ctx.fillStyle = "grey"; | |
| ctx.font = "10px Helvetica"; | |
| ctx.fillText(parsed[2] + " comments", center, yOffset + 25); | |
| ctx.textAlign = isNegative ? "right" : "left"; | |
| ctx.fillStyle = "black"; | |
| ctx.font = "15px Helvetica"; | |
| ctx.fillText(parsed[1], center + (isNegative ? -size - 60 : size + 60), yOffset + 17); | |
| } | |
| ctx.fillStyle = "grey"; | |
| ctx.font = "15px Helvetica"; | |
| ctx.textAlign = "center"; | |
| ctx.fillText("The number of comments is the amount of comments analyzed to get the result.", center, canvas.height - 15); | |
| } | |
| render(); | |
| </script> | |
| </body> | |
| </html> |
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