What is the best place to store my JavaScript code that pertains to controlling elements on

Currently, I am faced with the task of implementing client-side validation. Specifically, on a page where a Repeater control is used to generate a list of items. Each item can be selected using a checkbox located in the first column. When the user clicks the 'Delete' button, the selected items are intended to be deleted. To achieve this, I must verify whether the count of selected items is zero or not. My query is: should this type of validation be written in a common .js file or directly on the page itself?

Answer №1

It is advisable to carry out this task in a distinct file. There will be occasions where you may require the identification of the control being verified for various purposes, so it is essential to establish a mechanism within that file to retrieve those identifications (such as using parameter names in a function, creating a global variable - although not suggested, or utilizing a custom namespace object).

Answer №2

It's best to keep the code in a separate JavaScript file so that you can easily reuse it on other pages with similar functionality.

Answer №3

It is recommended to keep this code in a distinct file for best practices. In my opinion, server-side validation should be prioritized over javascript, particularly if the action leads to deletion.

Incorporating javascript for enabling a "select all" functionality and implementing jQuery for a confirmation prompt would enhance user experience.

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