_uniqueHtmlId

Generate an ID suitable for using on tags in this page. -- Function

It is fairly common, especially when doing complex things with _QLButton, to find that you want a distinct ID for the target of the button, separately for each button on the page. If the _QLButton is being used with a Thing, you can often use _oid to create that ID, but otherwise it can be tricky.

So the _uniqueHtmlId function simply generates a random ID string, suitable for use on the page.

You typically use this something like:

My Things -> _foreach(
_uniqueHtmlId -> +$displayId
""[[_QLButton(label=..., target=$displayId, ql=...)]]
...
<div id="$displayId"></div>

""
)

Note: at the moment, these IDs are generated randomly, so they are not absolutely guaranteed to be unique -- there is a very small, but non-zero, chance of an ID collision on the page.