So you want to make a chart in your JS site, but the points of interest aren’t always where you would like them to be. This tutorial will show how to hide some of those points with a simple trick so that they are not visible and can only be seen when the user hovers over them.

The “chartjs hide points” is a simple trick that will allow you to hide some of the points in your chart. The code snippet can be found on the ChartJS website.

[Simple Trick]-How to Hide Some Points in ChartJS

In this post, we’ll look at another unique Chart Js function. Let’s imagine I wish to conceal certain data points in a line chart, as seen in the figure below. I looked all over the internet but couldn’t find a suitable option to do this work. As a result, I made the decision to create this post.

How to Hide Some Points in ChartJS

Change pointRadius to an array-like value to complete this operation.

[0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 5, 0, 0, 0, 5] pointRadius

0 indicates that the datapoint is hidden, whereas a value larger than zero indicates that the datapoint is visible. Take a look at the configuration below.

data: { labels: xValues, datasets: [ { label: ‘Sale’, lineTension: 0, borderColor: ‘red’, data: [343, 343, 8, 550, 89, 89, 898, 232, 343, 243, 554], [0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 5, 0, 0, 0, 5] pointRadius } ] }

How can I conceal certain points in a line graph using Chart Js?

 

Graph of Output

How to Hide Some Points in ChartJS

*Many thanks; if you have any questions, please leave a remark.

As a result, it forms certain curves, which we will do by adding tension here. When we say tension 0.4, it is set to zero by default, which means that we have these straight lines, but when we increase it to 0.4, it becomes much more elastic. Once we’ve done that, we’ll have a finer, more supple line. The next thing I’d want to do is thicken the border around here.

This thickness should be three pixels thick. So, here’s what we’ve got presently. How can we get rid of these point items? So these point things are essentially predicated on the point radius. So all we have to do now is put a comma here, which is a point radius, and I’ll put zero pixels here.

It means that the circle radius, or radius of the circle, will be 0 pixels. And it’s probably about five to ten pixels by default. If I refresh now, you can see that our dots have vanished, and we still have the hoovering effect here. We can also get rid of this. All you need is a comma and the phrase “Hoover coin radius” to do this.

Pay close attention to the capital P and the capital R in this sentence. It’s the same story here. Then we say zero here as well. Keep that refresh in mind. Now, if you hook over it, you’ll note that there’s not much here, and I’m guessing that’s where the tooltip is.

I’ve seen something here, so I’ll have to investigate more. So I immediately double-checked and discovered that I had made a little error. It’s point Hoover radius instead of Hoover point radius. The radius of the Point Hoover is still written with a capital H and a capital R. On zero as well.

Save that refresh, and it should now be here if you look over it again. Let’s see how difficult this is. So there we have it. As a result, we go on. There is no Hoover effect on it here.

But, of course, pinpointing the precise dots or Pixels where you have to Hover over is rather difficult, and that’s essentially how you can build a smooth line here, including the Hoover and deleting the Hoover point radius as well.

The “react-chartjs-2” is a simple trick that allows you to hide some points in ChartJS. This will help you create a more aesthetically pleasing graph.

  • chart js hide first point
  • chart.js hide legend
  • chartjs line thickness
  • chartjs line color
  • chartjs zoom
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