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.
noun. 1 [mass noun] Stony waste matter separated from metals during the smelting or refining of ore: the burning liquid iron was forming a scum of slag. More example sentences. 1  The hardened matter was slag, a waste product from metal working, and contained evidence of iron, copper and lead manufacture.2  In highly developed countries, the major components of industrial waste are blast furnace and steel slag, and power station ash. [no object] (usually as noun slagging) Produce deposits of slag: the furnace burns at a minimum temperature to reduce slagging. 2 [with object] British informal Criticize (someone) in an abusive and insulting manner: my girlfriend was always slagging him off. More example sentences.