Empty statements, i.e. ;, are usually introduced by mistake, for example because:
- It was meant to be replaced by an actual statement, but this was forgotten.
- There was a typo which lead the semicolon to be doubled, i.e.
;;.
Noncompliant Code Example
function doSomething():void {
; // Noncompliant - was used as a kind of TODO marker
}
function doSomethingElse():void {
trace("Hello, world!");; // Noncompliant - double ;
...
for (var i:int = 0; i < 3; trace(i), i++); // Noncompliant - Rarely, they are used on purpose as the body of a loop. It is a bad practice to have side-effects outside of the loop body
...
}
Compliant Solution
function doSomething():void {}
function doSomethingElse():void {
trace("Hello, world!");
...
for (var i:int = 0; i < 3; i++){
trace(i);
}
...
}
