Programming Statements: IF-THEN/ELSE Statements. To perform an operation conditionally, use an IF statement to test an expression. Alternative actions appear in a THEN clause and, optionally, an ELSE ...

SALONI: Now let's see how we can use an 'if/else' statement with our buddy Scrat. On-screen graphic shows a programming block in Blockly with three segments labelled 'if path ahead', 'do', and 'else'.