I need to change the fill color (internal area) in a Line Chart.js when the point is negative.  The code is simple and basic:  $(document).ready(function(){    var ctx = $("#myChart").get(0).getContext("2d");    var data = {       lab...
Does anyone know of a Javascript charting library that can handle huge datasets?  By 'huge', I mean drawing a line graph with around 1,000 lines and 25,000 data points in total. (With an uneven distribution of points per line. A lot of lines...
Sorry for the somewhat confusing title.  Not sure really how to title this.  My situation is this- I have an academic simulation tool, that I in the process of developing a web front-end for.  While the C++-based simulator is computationally quite ef...
I have an list of objects, let's call it dataset and I want to split into two new lists, let's call them trainSet and testSet, while reading the input dataset list line by line, where a list object inherits from a node read stream object (in...
Im having trouble with some javascript in the onFetch step of a dataset in a BIRT report.  I've added logging in the initialise step of the report in a few different ways. The runtime im using is Tivoli Common Reporting, and they supply a logging...
here to feel stupid again. I have used this method to change the width of a div countless times. This time i am using the same dataset to just add a class to "show" a simple snackBar. However, I continue to get "null" for var x. What...
Anyone knows how to toggle data-attr with elvis operator? My function works:  function toogleActive(el) {     if (el.dataset.active == "false") {         el.dataset.active = "true";     } else {         el.dataset.active = "false&...
I am trying to display different images based on data returned. I am running into the following issues   DataSet is not available on the image control for me to make decisions based on the column information. I am using a grid layout (no tables)... T...
I am trying to get a data attribute of a selected option using vanilla JavaScript.  <script type='text/javascript' src='https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js'></script>  <select id="roomno...
I have checkboxes to filter what DIVs appear on the page.  I have the code in this fiddle and also below.  This code works, but the issue is with the "Country" checkboxes.  If you uncheck "Argentina," the blue div goes away.  But it s...

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