pan> creditCardStrictMode : <a href="../index.html#type-bool_field">bool_field</a></code></dt><dt class="spec method" id="method-onCreditCardTypeChanged"><a href="#method-onCreditCardTypeChanged" class="anchor"></a><code><span class="keyword">method</span> onCreditCardTypeChanged : <span><span><span>(<span>Js_of_ocaml.Js.js_string Js_of_ocaml.Js.t</span> <span>&#45;&gt;</span> unit)</span> Js_of_ocaml.Js.t</span> Js_of_ocaml.Js.prop</span></code></dt><dt class="spec method" id="method-phone"><a href="#metho