diff options
Diffstat (limited to 'Libraries/LibJS/Runtime/Value.h')
| -rw-r--r-- | Libraries/LibJS/Runtime/Value.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Libraries/LibJS/Runtime/Value.h b/Libraries/LibJS/Runtime/Value.h index 691e15f487..3eccd5cfbe 100644 --- a/Libraries/LibJS/Runtime/Value.h +++ b/Libraries/LibJS/Runtime/Value.h @@ -57,6 +57,13 @@ public: bool is_nan() const { return is_number() && __builtin_isnan(as_double()); } bool is_infinity() const { return is_number() && __builtin_isinf(as_double()); } + bool is_finite_number() const + { + if (!is_number()) + return false; + auto number = as_double(); + return !__builtin_isnan(number) && !__builtin_isinf(number); + } Value() : m_type(Type::Empty) |