/src/main/java/org/htmlunit/html/HtmlSelect.java
return ATTRIBUTE_NOT_DEFINED != getAttributeDirect ( ATTRIBUTE_REQUIRED ) && getSelectedOptions ( ) .isEmpty ( ) ;
public boolean isValidValidityState() { return !isCustomErrorValidityState() && !isValueMissingValidityState(); } @Override public boolean isValueMissingValidityState() { <extra_id_0> } }