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.
uncountable noun. 1  Plate glass is thick glass made in large, flat pieces, which is used especially to make large windows and doors. 2  glass formed into a thin sheet by rolling, used for windows. 3  ground and polished, clear glass in thick sheets used for shop windows, mirrors, etc.