01:198:170 Midterm: ch 19 review

• School: Rutgers University
• Department: Computer Science
• Course: 01:198:170
• Professor: S T O L L, S

Document Summary

Chapter 19 javascript functions worth 24 points. Javascript : functions, declarations, return values, function calls, scope of reference, and local/global variable reference, forms and functions. There are three parts of a function: Name the identifier for the function. Parameters the values that the function will compute on. Definition the algorithm, written in the programming language, to compute the function"s result. Calling a function asking the computer to run or execute the statements of the function to produce the answer. Arguments the input values of the function. Variables declared within a function are local to the function. They are created when the function starts and deleted when the function is complete. Variables declared outside a function are global. Variable not declared outside a function, but declared inside, and given a value are automatically global. You should be able to write and use simple functions. Date() allows you to work with dates. Math. random() returns a random number with range [0, 1)