WHILE - QB64Official/qb64 GitHub Wiki
See WHILE...WEND.
The WHILE condition is used in WHILE...WEND or DO...LOOP loops to exit them.
Syntax
DO [WHILE] evaluation . . . LOOP [WHILE] evaluation
- Only one conditional evaluation can be made at the start or the end of a DO...LOOP.
 - DO WHILE evaluates a condition before and inside of the loop. The loop may not run at all.
 - LOOP WHILE evaluates a condition inside of the loop. It has to loop once.
 - Skips the loop or loops until an evaluation becomes False.
 
Relational Operators:
| Symbol | Condition | Example Usage | 
|---|---|---|
| = | Equal | IF a = b THEN | 
| <> | NOT equal | IF a <> b THEN | 
| < | Less than | IF a < b THEN | 
| > | Greater than | IF a > b THEN | 
| <= | Less than or equal | IF a <= b THEN | 
| >= | Greater than or equal | IF a >= b THEN |