I want to repeatedly append the same stuff to an element via a button and event handler on the same page.  The problem I'm encountering is that it only works first time. It does exactly what I want the first time, then fails to do anything on sub...
I am at a loss as to why the following is not working.   HTML:       ...             <div class="col2">             <h2>Your Groups</h2>             <input type="submit" id="addnew" class="btn btn-prim...
Currently I have a loop that updates the DOM in each iteration; I have learned this is a bad practice & you should update the DOM as little as possible for better speed.  So I was wondering how I go about editing the below so I can store all the...
In JavaScript I am creating a grid (the type of grid you see in Photoshop) with HTML tables. The grid size is going to be variable, i.e., changeable by the user, so the size of each grid square must be calculated and divided by the number of pixels a...
So I am deleting all the contents under a particular div and adding a message content. However, javascript throw the following error after the finish:  Uncaught Error: NOT_FOUND_ERR: DOM Exception 8   Here is the code where it is executed   new Ajax....
I am attempting to grab text from a HTML text area, and call the create() method when a 'Submit' button is pressed. The method is trying to use the message from the text area, and post that to its own p tag with class, and post a date stamp i...
I've got a javascript file being added dynamically to a page. If I use document.write, it works fine:  <html> <head></head> <body>     <script type="text/javascript">           var src = 'myDynamicScript....
MutationRecord.addedNodes returns NodeList with nodes detected as added in my document. When I use obj.appendChild() method, mutationObserver detects it and returns this ONE node in MutationRecord.addedNodes as nodelist [node]. When I use .appendChil...
I have a .dat file that is filled with lines of numbers I need for my program, but I've so far been unable to access the file by any method except inputting it after the code runs.  My latest try was the code below, but it returned the error:   U...

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