bool ScriptElementData::shouldExecuteAsJavaScript() const
{
/*
Mozilla 1.8 accepts javascript1.0 - javascript1.7, but WinIE 7 accepts only javascript1.1 - javascript1.3.
Mozilla 1.8 and WinIE 7 both accept javascript and livescript.
WinIE 7 accepts ecmascript and jscript, but Mozilla 1.8 doesn't.
Neither Mozilla 1.8 nor WinIE 7 accept leading or trailing whitespace.
We want to accept all the values that either of these browsers accept, but not other values.
*/
String type = m_scriptElement->typeAttributeValue();
if (!type.isEmpty()) {
if (!MIMETypeRegistry::isSupportedJavaScriptMIMEType(type.stripWhiteSpace().lower()))
return false;
} else {
String language = m_scriptElement->languageAttributeValue();
if (!language.isEmpty() && !isSupportedJavaScriptLanguage(language))
return false;
}
// No type or language is specified, so we assume the script to be JavaScript.
// We don't yet support setting event listeners via the 'for' attribute for scripts.
// If there is such an attribute it's likely better to not execute the script than to do so
// immediately and unconditionally.
// FIXME: After <rdar://problem/4471751> / https://bugs.webkit.org/show_bug.cgi?id=16915 are resolved
// and we support the for syntax in script tags, this check can be removed and we should just
// return 'true' here.
String forAttribute = m_scriptElement->forAttributeValue();
return forAttribute.isEmpty();
}
bool ScriptElementData::shouldExecuteAsJavaScript() const
{
/*
Mozilla 1.8 accepts javascript1.0 - javascript1.7, but WinIE 7 accepts only javascript1.1 - javascript1.3.
Mozilla 1.8 and WinIE 7 both accept javascript and livescript.
WinIE 7 accepts ecmascript and jscript, but Mozilla 1.8 doesn't.
Neither Mozilla 1.8 nor WinIE 7 accept leading or trailing whitespace.
We want to accept all the values that either of these browsers accept, but not other values.
*/
String type = m_scriptElement->typeAttributeValue();
if (!type.isEmpty())
return MIMETypeRegistry::isSupportedJavaScriptMIMEType(type.stripWhiteSpace().lower());
String language = m_scriptElement->languageAttributeValue();
if (!language.isEmpty())
return isSupportedJavaScriptLanguage(language);
// No type or language is specified, so we assume the script to be JavaScript
return true;
}
