Creating switch Statements
The JavaScript switch statement is the next step up in decision making after the if statement. You use the switch statement if you want to test a large number of cases and don't want to construct a long ladder of if...else statements.
Here's how it works: You compare a test expression against a number of values. If one of those values matches, the code associated with the value is executed until the JavaScript interpreter finds a break statement. Here's what the switch statement looks like in outline:
switch(test){ case value1: . . . code executed if test matches value1 . . . break; case value2: . . . code executed if test matches value2 . . . break; case value3: . . . code executed if test matches value3 . . . break; ...
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