Sometimes you are required to limit the checkboxes to be checked. For this purpose here is a very simple tutorial that will help you to limit the checkboxes selection using jQuery. In my tutorial i have applied limitation at maximum 3 (three) checkboxes, which means you can select any three checkboxes, you can change this number of limit.
Today, i will share a tutorial with you how to check file size and extension before uploading the file. It is one of the most common validation that need to be check before uploading file, i wrote this simple tutorial to validate the image file size (Maximum 1 MB Allowed) and extension (JPG, JPEG, PNG or GIF are allowed) for our image file by using jQuery.