Why this fires¶
TE740 reports a known HTML attribute that is not valid for the authored element. Verniz validates native tags from its versioned DOM table; component props still use the ordinary named-argument diagnostics.
<div clas="card" />
// error[TE740]: attribute `clas` is not valid on `<div>`Fix it¶
Use the suggested attribute name, or use a data-* attribute for application metadata. Web components and data-* attributes remain extensible.