To allow for enough flexibility, this component has 15 attributes. All attributes have (what I believe to be) sensible defaults, so it should work as a simple custom element with no attributes ...

The question I have is, as in this case with Visa, a card will have 16 digits, but with the combined use of cleve.js spaces are added for formatting making it 19 digits. So if you enter a number like ...

Regular expressions come in handy for all varieties of text processing, but are often misunderstood–even by veteran developers. Here’s a look at intermediate-level regular expressions and what they ...