Conditionals

If ... else

if (expr) {
    statements; 
}

if (expr) {
    statements;
} else if (expr) {
    statements;
} else {
    statements;
}

• else statements must be cuddled (i.e.  "} else {" , all on the same line), or else some browsers may not parse them correctly.

Switch statement

switch (expr) {
    case VALUE: 
        statements;
        break;
    case VALUE: 
        statements;
        break;
    default:
        statements;
        break;
}

• Strings can be used for the case values.
• Add a break statement to the end of the last case as a precautionary measure, in case additional cases are added later.
• Braces are required.