Checking if a checkbox is checked in JavaScript can be done using the checked property of the checkbox element. This property returns a boolean value indicating whether the checkbox is currently checked or not. Here’s an example of how to check if a checkbox with the ID “myCheckbox” is checked using JavaScript: You can also […]
Forms
How To Validate an Email Address In JavaScript
In this article, we will discuss several methods for validating email addresses in JavaScript, including using regular expressions and built-in JavaScript methods.
Preventing paste into an input field
See the codepen: https://codepen.io/JSsnippets/pen/qBbyMoJ Source https://github.com/roeib/JavaScript-snippets#preventing-paste-into-an-input-field
Create a range slider
This post introduces two popular ways to create a range slider.
Automatically expand a textarea as the user types
A really neat little helper function that automatically expands a textarea as the user types in.
Trigger an event
There are some special events that are avaialble as the method’s element.
Count the number of characters of a textarea
Count the number of characters by handling the input event which is triggered if the value of element is changed.
Serialize form data into a query string
This function serializes the form data which consists of names and values of its fields.
Validate Numeric Only
This script verifies that a string is numeric, otherwise it deletes the non-numeric character.
Input Mask
This script uses unobtrusive JavaScript to implement “input masks.” The maximum field length is automatically limited to the length of the mask. The characters that are entered into the fields are constrained, and separators are automatically added.