01:198:170 Lecture Notes - Lecture 9: Radio Button, Concatenation, Boolean Expression

• School: Rutgers University
• Department: Computer Science
• Course: 01:198:170
• Professor: Stoll

Document Summary

A program is a list of statements. Terminated by some punctuation symbol (;) semicolon. Computer needs that to know when a statement is complete. A name is a relevance to location. In programming terminology, the names are called variables case. Name is separable from the value, and the value can be changed. Letter sequence that makes up a variable"s name is called the identifier. Must put something in it to utilize it. It is like having one box holding rice and the other holding pasta. 3 types of data in javascript program: numbers, strings, booleans. Numbers are written in decimal form, no symbols. Always surrounded by single ( ) or double ( ) quotes. Literal means that the characters are typed literally in the program. Surrounding quotes are removed when the literal is stored in the computer. Escape symbol helps put in special character (\) Boolean is on or off values, not identifiers or strings.