Chart.JS | Draw Bar chart from server data using MySQL, Ajax, and PHP This example shows how to draw a bar chart with data from the database server.  FILE STRUCTURE At the end of this …

Last updated 1 year ago | 1093 views

Tags:- HTML JQuery JavaScript PHP Chart Ajax PHP-MySQL

Chart.js | Changing graph type based on dropdown selection We can’t directly update the chart type in Chart.js, to achieve the requirement we need to destroy the original chart and then redraw the new chart. …

Last updated 1 year, 1 month ago | 1485 views

Tags:- HTML JQuery JavaScript Chart

Chart.js | show data values on top of each bar This is an example of displaying data value on top of each bar of Chart.js on the web page. Step 1: Create a basic HTML …

Last updated 1 year, 1 month ago | 1459 views

Tags:- HTML JQuery JavaScript Chart

Chart.js | Add bar chart in the webpage This is a simple example of using Chart.js to create a bar chart on the webpage.  Step 1: Create a basic HTML file called "chart.html"  <!DOCTYPE html> …

Last updated 1 year, 1 month ago | 245 views

Tags:- HTML JQuery JavaScript Chart

Jquery | Location reload() Method | Refresh a page The Location.reload() method reloads the current URL.   Syntax location.reload(forceGet) The Location.reload() method reloads the current URL. By default, the value of forceGet is false which …

Last updated 1 year, 2 months ago | 279 views

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Jquery | attr | Get HTML attribute's value You can get the value of an attribute for the first element in the set of matched elements using the .attr() function.   Return the value of …

Last updated 1 year, 2 months ago | 249 views

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JQuery | TinyMCE | Clear TINYMCE editor  There is a method called setContent() in TINTMCE which you can use to reset/clear the TINTMCE editor. <script> // if one editor existing in your page. tinyMCE.activeEditor.setContent(''); </script> …

Last updated 1 year, 2 months ago | 324 views

Tags:- JQuery JavaScript TINYMCE

JQuery | Uncaught TypeError: e.indexOf is not a function This error occurs because you may try to load an event handler which is removed from the latest version of jQuery. Event handler like .load(), .error(), …

Last updated 1 year, 3 months ago | 1601 views

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Codeigniter | where_in  The where_in() allows you to pass an array in the where clause. It generates a WHERE field IN ('item', 'item') SQL query. Syntax: $this->db->where('condition'); <?php $ids = array('1', '2', '3'); $this->db->from('users'); $this->db->where_in('id', …

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PHP | Warning: A non-numeric value encountered This error occurs when you are trying to do a mathematical operation on an integer with a nun-numeric value or a string.  Info: New E_WARNING and E_NOTICE errors …

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PHP | Comments A comment in PHP code is a line that is not executed as a part of the program. It's only read by someone who is looking at the code. By reading the comments …

Last updated 1 year, 4 months ago | 291 views

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PHP | Case Sensitive In PHP, keywords (e.g. if, else, while, echo, etc.), classes, functions, and user-defined functions are not case-sensitive but all variable names are case-sensitive.   If you defined function name in lowercase, …

Last updated 1 year, 4 months ago | 667 views

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PHP | Syntax, and Tags PHP introduces a list of Tags to code PHP. PHP tags allow the PHP parsing engine to get in and get out from the PHP block. A PHP script can …

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PHP | Statement $x = 3 + "15%" + "$25"? The correct answer is 18. Here’s why: PHP is a  loosely typed language, therefore it does automatic type conversion based on the context in which …

Last updated 1 year, 4 months ago | 283 views

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PHP | Array error fix | array_merge() The output will be as follows: array(2) { [0]=> int(1) [1]=> int(2) } NULL NULL It will also generate two warning messages as follows: Warning: array_merge(): Argument #2 …

Last updated 1 year, 4 months ago | 272 views

Tags:- PHP