The value that is returned from a call to a function is the value of that function call. For example, with that function we can set a variable to the value that is returned using the following code (which would set result to 5). var result = num(3,3); The difference between functions and other variables is that the function has to be run in order to determine its value.
Slag glass, also known as marble glass or malachite, is a type of opaque, streaked pressed glass.ne of the first glass foundries to produce slag glass (although it was not called that at the time) was the Gateshead, England, firm of Sowerby, which patented its recipe for purple malachite glass in 1878.
Float glass is more commonly known as window glass. Because it is inexpensive and sometimes free, it is a popular glass to use in glass fusing. There is a rainbow pallet of compatible frit and powders to use for decorating and embellishing float glass.Please note: All float or window glass may not have the same COE. Float glass is stiffer and therefore slower to soften. 2  Some float glass has no tin side. 3  Some glass that is thought to be float is actually horticultural glass. 4  Horticultural glass is a rolled glass, therefore it has no tin side. 5  This glass is also very prone to devit.