Clip Art Operators
Pierce Home
Computer Science 555 Website Development using JavaScript and AJAX - 3 Units
Section:
3179
Instructor:
Brad Gilbert
Pierce Mailbox:
612
Email:
pierce@wavethunder.com
Wednesday Office Hours:
5:00 -   5:40 PM COSC 1507
Wednesday Lab:
5:45 -   7:50 PM COSC 1507
Wednesday Lecture:
7:55 - 10:00 PM MATH 1511
Other classes:
CS-575
operators
Operator Description
= Assign value of expression on right to variable on left
+ Add 2 numbers
+ Concatenate 2 strings
- Subtraction
* Multiplication
/ Division
% (modulus) - Integer division remainder
++ Increment an integer by 1
-- Decrement an integer by 1
+= Increase value of variable on left by value of expression on right
+= Concatenate string on left with string-expression on right
-= Decrease value of variable on left by value of expression on right

Logical Description
== true if data is equivalent
=== true if data AND data type are equivalent
!= true if data is not equivalent
!== true if data OR data type are not equivalent
&& (and) - true if expressions on left AND right are true
|| (or) - true if expressions on left OR right are true
! (not) - reverses true to false, and false to true
Brad Gilbert · Fall 2011
Computer Science · Pierce College · Woodland Hills CA · 818-719-6401