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Is there an in-place alternative to filter
No, but it's not hard to write your own. Here is an approach which squeezes out all the values which fail a...
Ok, decided to do it for fun, not too much code... This will wrap a reducer and only provide it with keys that it has returned itself.
// don't provide keys to reducers that...
The .then does not return a snapshot of the data -- you will need to do a once snapshot of the data within the callback
db.push().set(values).then(() => {...
Update the following in your css:
.bootstrap-select.btn-group.show-tick .dropdown-menu li.selected a span.check-mark{
position: absolute;
display: inline-block;...
To rerun a script, simply re-render the tag that calls it. Assuming the form is re-rendered whenever it is updated, this will do:
<script>
function init () {...