Good evening,
I just wonder if you can give me, some help, with a validation of multiboxes, that i am developing.
I had search information of how to implement the action, that, when the user select the option "All", from a list of checkboxes, all the rest of objects are checked. This, using javascript
I had review this two posts and tried to adjust the solution to my problem, but with no possitive result.
https://coderanch.com/t/121183/HTML-CSS-JavaScript/multi-select-boxes#599576
https://coderanch.com/t/118337/HTML-CSS-JavaScript/add-checkbox-values-javascript-array#588193
The fragment of my code in
JSP:
The function that I use in JavaScript:
But with no results, even when enter to the else, and it is supposed that change the checked status of the boxes to true, it doesn't reflect the result in the page.
If you can give some help, it would be great.
I really appreciate so much your time and knowledge!