Answer from StackOverflow.
Parse the query string value.
No-Library (pure JS), HTML, CSS, JavaScript
User types in an email, clicks submit, and the program outputs to a div below it.
Capture user input and write it in real time to a div.
Trying to figure out how to get the button link to toggle active state.
This was a huge help in figuring out how get the Front Gate Map page PopUps to work properly.
I was able to align the single line text like "Welcome" and "Map" but it screws up two lined text like "Annual Passes."
Dynamically activating list items when clicked.
HTMLTableElement.insertRow() https://developer.mozilla.org/en-US/docs/Web/API/HTMLTableElement.insertRow
http://iviewsource.com/codingtutorials/getting-started-with-javascript-object-notation-json-for-absolute-beginners/
jQuery (edge), HTML, CSS, JavaScript
jQuery 1.10.1, HTML, CSS, JavaScript