Chart.js

0👍 Are you sure you didn’t add it inside an <environment> HTML tag? Example: <environment exclude="Production"> <script src="_content/ChartJs.Blazor/ChartJsBlazorInterop.js" type="text/javascript" language="javascript"></script> </environment> Reference: https://learn.microsoft.com/en-us/aspnet/core/mvc/views/tag-helpers/built-in/environment-tag-helper?view=aspnetcore-5.0 Chartjs-How to open a new Tab with javascript and display some chart Source:stackexchange.com

0👍 I used the @uminter code in my script and it works, but I am on the contrary, the values ​​with zero appear on top and then the values ​​come in ascending order (1,2,3 …). I wanted the order to be like this (4,3,1,0) and for the order to be decreasing in the graph too, … Read more

👍:0 See Document.getElementById(). That returns null if an element with the specified ID is not found. You could do something like this: var chart = document.getElementById(“line-unfilled-chartjs”); var ctx; if (chart) { ctx = chart.getContext(“2d”); // do something with context } else { // handle no chart } How do you create an extension to Chart.js? … Read more

0👍 one way to reload your csv file is to play with setInterval: var timer = setInterval(function(){ makeChart;}, 60000);//execute makeChart every min then you reload your widget (i dont see how data arrives in the widget) if you need to stop the loop, use: clearInterval(timer);//stops the loop Source:stackexchange.com

👍:0 u can with .draw() to new draw the canvaselement if u filled it with new data. And with .reflow() u bring the start-motion back ;D Maybe try this: window.myBar.draw(); window.myBar.reflow(); How to print angular-chart Angular-chart.js – define set Y axis width

0👍 You are trying to find the node from the wrong document. This solution is working: var w=window.open(""); w.document.body.innerHTML += ‘<div id="chart"></div>’; chart = new google.visualization.ColumnChart(w.document.getElementById("chart")); chart.draw(dataTable, options); Source:stackexchange.com

0👍 ✅ After much experimentation I have found a workaround/hack. According to an open issue on the Chart.js github : This error will also (for good reason) occur if the computed dimensions of the container haven’t yet been applied. I got around this by using setTimeout(function () { // chart creation code }, 0); So, … Read more

👍:0 The second point’s functionality has been added in the ChartJS v2 beta if you’re still having problems. As for the first point I don’t think that’s easily possible unless you’re just wanting what country/dataset it is. Remove y and x axis lines and change axis font style in Chartjs

👍:0 What’s happening is your fixed barValueSpacing is horizontally flipping over your bars (your right edge of the bar becomes the left edge and vice versa) once the chart width becomes small enough. You need to dynamically set the barValueSpacing based on the chart width by extending the bar chart type. Here’s how you do … Read more

👍:0 When you convert your integer representation of time to “minutes since midnight”, then 2230 lies right in the middle of 2200 and 2300. var getMinutesSinceMidnight = function(time){ var hours = Math.floor(time/100); var minutes = time%100; return hours*60 + minutes; } getMinutesSinceMidnight(2200) //returns 1320 getMinutesSinceMidnight(2230) //returns 1350 getMinutesSinceMidnight(2300) //returns 1380 You can use these values … Read more