Method IsUndefined

value.go:1084–1084

()

func (v *Value) IsBool() bool          { return v != nil && bool(C.JS_IsBool(v.ref)) }
func (v *Value) IsNull() bool          { return v != nil && bool(C.JS_IsNull(v.ref)) }
func (v *Value) IsUndefined() bool     { return v != nil && bool(C.JS_IsUndefined(v.ref)) }
func (v *Value) IsException() bool     { return v != nil && bool(C.JS_IsException(v.ref)) }
func (v *Value) IsUninitialized() bool { return v != nil && bool(C.JS_IsUninitialized(v.ref)) }
func (v *Value) IsString() bool        { return v != nil && bool(C.JS_IsString(v.ref)) }