Javascript

BrijBrijpal Sharma is a web developer with a passion for writing tech tutorials. Learn JavaScript and other web development technology. www.codermen.com/

To limit the selection of checkboxes to a specific number, you can use JavaScript to handle the checkbox click events and prevent further selections once the limit is reached. Here’s an example of how you can achieve this: HTML: JavaScript (script.js): In this example, each checkbox has a class of “checkbox”. The JavaScript code adds … Read more

In JavaScript, you can remove elements from an array using several methods. Here are a few common approaches: 1. Using splice() method: The splice() method changes the contents of an array by removing or replacing existing elements. 2. Using filter() method: The filter() method creates a new array with all elements that pass the test … Read more

If you have multiple checkboxes and you want to collect all the selected checkboxes into an array after clicking a button, you can achieve this using JavaScript. Here’s an example of how you can do it: HTML: JavaScript (script.js): In this example, we have three checkboxes with unique IDs (checkbox1, checkbox2, and checkbox3). When you … Read more

create a select dropdown with search functionality using Bootstrap and the Select2 plugin is easy. Here are the simple code. HTML CSS BrijBrijpal Sharma is a web developer with a passion for writing tech tutorials. Learn JavaScript and other web development technology. www.codermen.com/

First, include the required CSS and JavaScript files in your HTML file. You can host these files yourself or use a CDN. In this example, the select2 plugin is applied to the <select> element with the ID selectDropdown. You need to ensure that you have included the jQuery library before this script if it’s not … Read more

To validate an input box value for only integer type in JavaScript, you can use the parseInt() function or a regular expression to check whether the input contains only digits. Here are two common methods to achieve this: Method 1: Using parseInt() In this method, parseInt() attempts to parse the input value as an integer. … Read more

In Python, you can use the re module to work with regular expressions and check if a string matches a specific regex pattern. Here’s a basic example of how to do this: In this example, the re.match() function returns a match object if the input string matches the regex pattern, or None if it doesn’t. … Read more