All Questions
522
questions
1
vote
0
answers
54
views
URL segment "undefined" when clicking on item in chart.js
I'm having trouble with Chart.js where clicking on a chart segment always redirects to an undefined value. I have a doughnut chart and want each segment to redirect to a specific URL based on the ...
0
votes
0
answers
30
views
How to use all the functions of Chart.js in a php controller
I'm transferring the graphic generation from js code to php, but functions such as borderRadius and legend => display = false don't work. I need borderRadius, because roundedBars does not ...
- 1
0
votes
0
answers
43
views
on second visit chart and button not working
<?php
if (!isset($_SESSION)) {
session_start();
}
if (!isset($_SESSION["loggedin"])) {
if (!header("Location: index.php")) {
header("Location: index.php&...
- 41
1
vote
1
answer
167
views
Chart.js image with php excel [closed]
What im trying to do is convert chart.js to image with toDataURL then past it using ajax and using the url to set image path for php excel. I want to past the data without using any button and my php ...
- 37
1
vote
1
answer
83
views
How to fix data not show in page but appear in network preview
im trying to post image that been convert to url by using ajax. The problem is $image = $_POST['imgData']; not show anything but if i check developer tools on network preview the data can be seen.
...
- 37
0
votes
0
answers
116
views
Laravel dynamic charts using chartjs
I have a website with transactions and I want to build transactions that are dynamically created with specific filters for each.
I am not sure what the right approach would be to do this. I have one ...
0
votes
0
answers
54
views
Is there a way to use non-inline plugins with Chart.js using the ConsoleTVs/Charts package?
I am working with a Laravel application that uses Backpack and renders charts using the ConsoleTVs/Charts package. From what I've found online, there is no way to use non-inline plugins that require ...
0
votes
1
answer
99
views
How to filter collection based on key?
I have a collection which is like this:
Illuminate\Support\Collection {#456 ▼ // app\Http\Controllers\UserController.php:42
#items: array:4 [▼
0 => array:10 [▼
"to" => &...
- 2,233
0
votes
0
answers
145
views
Using Chart.js and the chart suddenly stopped working correctly
Short version: I was working on an assignment on my localhost building a poll. I got it working and everything looked good so I uploaded it to my website so I could check it and then submit it. Then ...
0
votes
1
answer
469
views
How do i create stacked bar chart using ChartJs in Filament?
Good day, I need your assistance/guidance in creating a stacked bar chart using Chartjs in Laravel Filament. I have a tabled named 'Tasks' that has a relation with 'Clients' table. The fields for each ...
- 156
0
votes
0
answers
52
views
Laravel Backpack Fusioncharts widget not working
I have a Laravel app that uses backpack and I am trying to create a chart with bars that when clicked, will redirect you to a specific CRUD page on the site. I did a little research and figured out ...
1
vote
1
answer
59
views
How to hide a value on x axis chartjs
I'm working on a scatter with chartsjs.
I declare all the value, type category.
I want to hide some value from the scale.
My scale is: 0,5,10,15 etc
I don't want to show the label for value 5 and 15.
...
- 13
2
votes
1
answer
32
views
Double axis Y in Chart.js
i want to ask for some questions about chart.js. I have been create my dashboard with chart.js for showing my database on user interface, but. I have a little bug on Axis Y in chart.js, like double ...
0
votes
1
answer
369
views
Charts Initialization Issue using GridStack.js & Charts.js in PHP Yii2
I am trying to make a dashboard in PHP yii2 project using gridstack.js and chart.js
I have given a dropdown button where the user can select the KPI chart, the selected chart gets added to the grid of ...
- 39
0
votes
0
answers
48
views
Chart.js The second line in Chart.js is incorrectly positioned in X-axis
I have created multiple line chart, but the second line incorrectly positioned according X-axis, got the same starting point as first line, but by JsonData it has another starting point. How to fix it?...
0
votes
1
answer
91
views
How to Determine Minimum and Maximum Degree Of Chart Javascript
I have an wheel of fortune from chart and javascript code. I copy [https://www.codewithrandom.com/2023/11/24/spin-wheel-app-using-javascript/](this site) and everything is working fine.
What I want to ...
0
votes
0
answers
60
views
Get PHP variable without include() - Chart.js
I am building a client portal and I am using Chart.js to make a basic Gantt Chart. I have everything working except for the SQL code to get the data before parsing it with JSON. If I hard-code:
"....
- 13
2
votes
0
answers
109
views
Update chart.js in laravel from controller
I am attempting to update my chart.JS in my view when a new date is selected from the date picker. I think I got pretty close.
The date goes from my datepicker through to my controller via AJAX post:
&...
- 21
0
votes
0
answers
49
views
Chart JS not displaying bars/labels on graph
I am using Laravel 10, and Chart.JS for graphs on my site.
I've got the stats loaded from the database, however, when creating the graph it shows me (https://i.sstatic.net/QT0s7.jpg) the graph lines, ...
0
votes
2
answers
81
views
PHP SQL Query into a chart.js bar chart - Issue with the array
I'm successfully getting the sql data into an array, what I can't seem to work out is how to get that array to show in a chart.js chart. I can get the array into the dataset section but for some ...
- 127
0
votes
0
answers
214
views
Stacked bar chart from chartjs mysql
i am struggling to make chartjs stacked bar chart from MySQL table. Here is the JSON response and codes and I want to know how to put it into the stacked bar chart.
Sql query
function getStudentMark()
...
0
votes
0
answers
57
views
ChartJS Linegraph not drawing lines
I am attempting to create a linegraph using chartjs, but the lines do not show. I am not sure why they do not show. I have tried googling this issue with no results, and would appreciate any help. ...
- 19
0
votes
0
answers
86
views
Pie chart using Chart.js not showing up in browser
I'm currently doing my web programming assignment where I'm tasked to create a travel blog website. For this project, I'm using HTML, CSS, JavaScript, PHP, and XAMPP. In this project, I'm responsible ...
0
votes
0
answers
32
views
Week Input Value is Not Being Passed to Controller Method in Laravel Using Ajax
<input type="week" class="week-picker" id="week_input" name="week_input" onchange="SubmitForm(event);" />
Below is ajax code:
function ...
- 147
0
votes
0
answers
41
views
Why is my data not being displayed when drawing the bar graph?
I have an php file that is succesfully drawing the chart through the below script, but for some reason the chart is not loading the data, below is my script as well as the php file.
<script src=&...
0
votes
1
answer
69
views
Chart.js scatter plot data not working with array constants from php
I'm attempting to use chart.js to make a scatter plot graph with arrays as the x and y values. I'm getting the contents of these arrays from a sql query using php earlier in the file. It seems to work ...
0
votes
0
answers
75
views
Laravel 10.4 with ChartJS - x-axis false text
I am learning how to implement Charts in Laravel. I followed some basic instructions found on the internet and managed to connect to the DB, but in the X-axis I wanted to see the days of the week, but ...
- 5
0
votes
1
answer
80
views
Blank Canvas with labels at the top with strikethrough on them when using chart.js pie chart
I have the following code that is attempting to display a summary of the most popular forms as defined by the number of inserted rows in their respective database tables and display this as a pie ...
- 53
0
votes
1
answer
113
views
Chart.js data from multiple queries
I am trying to plot a chart using Chart.JS with data from multiple MySql queries. However, when I tried loading it, the graph only display one month. Any idea how I can do this? Thank you. Hope you ...
- 13
0
votes
1
answer
401
views
Chart.js 3 - How to count MySQL entries by month and display them in a bar chart
I have a database with entries I'd like to count per month and display them in a yearly bar chart from Jan to Dec.
I must admit I'm fairly new to MySQL and PHP so please bear with me.
I can see the ...
- 43
-2
votes
1
answer
256
views
I can't get my chart to display when declaring variables not recognized by chart js
I would like to show in my graph the total number of patients obtained for each month of the year 2021.
But no information is shown on the graph, rather, the graphs disappear. When executing the code ...
0
votes
0
answers
14
views
JavaScript callback-function in PHP-Array [duplicate]
I have a PHP-array for the Javascript Library chart.js and it´s like this:
$array = [ 'options' => [ 'plugins' => [ 'tooltip' => [ 'callbacks' => [ 'label' => "function(context) { ...
- 31
1
vote
0
answers
119
views
How do I edit the label and x-axis of a laravel/chart.js boxplot?
Chart.js translation for plotting on frontend side in Laravel. There is a yield of 3 months dates and their datas. How should I fit charjs that overlap and not all dates are written at the end of x? (...
- 35
0
votes
0
answers
40
views
My Charts.js line chart dissappers when I try to flow my data from mysql using php
I'm having a issue with my charts like I stated in the title. When I try to get my data from MySQL graph disappears and I'm not getting any errors. but graph perfectly works when I'm entering them ...
- 1
2
votes
1
answer
197
views
Chartjs 4.1.1 Y axis scale
I would like to set min and max scale in Y axis, I've been tried suggestedMin, min and max, but it doesn't works.
This message is displayed at the console Uncaught SyntaxError: Cannot use import ...
0
votes
1
answer
121
views
Trouble with setting up radar chart data on chart.js; issue with a loop
I have a plugin I'm coding for wordpress, that uses a short code and provides the ability to choose post types, taxonomies, and colors of the grouped taxonomy terms.. It counts and labels all terms in ...
- 11
1
vote
1
answer
72
views
chart.js PHP to JS string conversion question [duplicate]
I am querying wordpress ACF fieldsdata which needs to plot into a chart.js radar type chart.
<?php
// Query posts
$args = array(
'post_type' => 'resultaten',
'tax_query' => array(
...
- 27
1
vote
1
answer
871
views
Symfony UX chart does not show chart in easyadmin
I have a problem with displaying a chart in easyadmin. It does show up in the HTML as shown below.
<canvas data-controller="symfony--ux-chartjs--chart" data-symfony--ux-chartjs--chart-...
0
votes
1
answer
37
views
How to display dynamic PHP ID in chartjs
I am using chartjs inside PHP foreach for multiple charts. Im in a situation to call dynamic ID. I want to use ID as fulltime_32, fulltime_33 and so on. in the PHP foreach statement. I am getting ...
- 49
0
votes
1
answer
379
views
Can't create multiple charts with Chart JS
For some reason, only one chart gets created, and I cannot find out why. I'm trying to combine PHP and javascript. Everything gets proper value from PHP. I console-logged them. I don't know what I'm ...
1
vote
1
answer
58
views
dynamic chart.js not showing correctly
I've this canvas in chartjs whish is not working as i thought it would.
The code below gives me the screenshot at the bottom.
The lines are next to each other and was hoping or 2 lines 1 above the ...
- 299
0
votes
0
answers
906
views
Display dynamic values from mysql with chart.js [duplicate]
Preliminary I am quite new to JS and php (since Monday). I have a database where I store data at certain time intervals. With chart.js I want to visualize this data, static no problem:
<?php
$...
- 1
0
votes
0
answers
49
views
I can't show the values of my database in a graph using chartjs
I'm trying to practice with chartjs, so I've downloaded some code from the Internet to adapt it to my needs.
I need to display the number of patients who were born in a specific month based on their ...
0
votes
2
answers
58
views
How can I divide values from two different arrays which are not of the same length?
I am trying to get DividendYield from a company for the last 20 years using ChartJs in laravel project. The arrays came from HTTP client API. The formula is like that :$dividendPayed / $dailyPrice * ...
- 1
-2
votes
1
answer
107
views
Chart.js Convert JSON to PHP array
I am creating a Time Cartesian Chart from Chart.js, I need to get the data as json format, however I need to first generate a php array and use json_encode() in order to get the following json. Does ...
- 81
-1
votes
2
answers
981
views
ErrorException compact(): Undefined variable: Sep - laravel 8
please help me
I made a chart, but there is a problem when I want to display the data, why is it compacted?
example code controller :
if(Auth::user()->hasRole('Super Admin')) {
$user = ...
0
votes
1
answer
215
views
Symfony Ux using chartJs : How can i feed the x's axes data?
I want to make a graph with specific y and x. I discovered that to make this kind of graph, the right type is "SCATTER" so here is my code in my service :
$chart = $this->chartBuilder-...
- 125
1
vote
1
answer
263
views
Chartjs.org Displaying different data on Radar Chart tooltip
For example, on the tooltip, I want to show the data for option1 not 2 but 200. Because we show adapted data in the graph. But it will be better to show the real data on the tooltip.
<script>
...
- 21
0
votes
1
answer
412
views
How to make yii2 chartjs horizintal
I'm using 2amigos/yii2-chartjs-widget to draw charts and everything works fine except the chart orientation, I want to make it horizontal. like this:
My code is:
<?=ChartJs::widget([
...
- 21
0
votes
1
answer
199
views
I want to make a stacked bar graph which has target of 60 using chart js
I want to create a bar chart using chartjs which will show how much more needed to achieve 60 which will be shown in red bar above. Below will show the current amount in blue. Let's say I have to ...