Thin the blood and prevent clots (if you have a man-made replacement valve). Doctors also prescribe these medicines for mitral stenosis or other valve defects that raise the risk of blood clots. Treat coronary heart disease. Medicines for coronary heart disease can reduce your heartâs workload and relieve symptoms.
undefined is a property of the global object, i.e. it is a variable in global scope. The initial value of undefined is the primitive value undefined. In modern browsers (JavaScript 1.8.5 / Firefox 4+), undefined is a non-configurable, non-writable property per the ECMAScript 5 specification. Even when this is not the case, avoid overriding it.
without fixed limits; indefinite in form, extent, or application: undefined authority; undefined feelings of sadness. 2. not given meaning or significance, as by a definition; not defined or explained: an undefined term. Origin of undefined.