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| lehrkraefte:blc:informatik:ffprg1-2024:branching [2024/02/07 12:59] – [Vergleiche] Ivo Blöchliger | lehrkraefte:blc:informatik:ffprg1-2024:branching [2024/02/07 13:04] (current) – [Verschachtelte if] Ivo Blöchliger | ||
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| + | ====== Bedingte Ausführung: | ||
| + | ===== Vergleiche ===== | ||
| + | * '' | ||
| + | * '' | ||
| + | * '' | ||
| + | * '' | ||
| + | <code javascript> | ||
| + | <, <=, >=, > // Kleiner, kleiner gleich, grösser gleich, grösser | ||
| + | </ | ||
| + | ===== Logische Verknüpfungen ===== | ||
| + | * ''&&'' | ||
| + | * '' | ||
| + | * '' | ||
| + | |||
| + | |||
| + | ===== if, if else, if else if else ===== | ||
| + | Einfaches '' | ||
| + | <code javascript> | ||
| + | let a=3; | ||
| + | if (a>2) { | ||
| + | console.log(" | ||
| + | } | ||
| + | </ | ||
| + | if mit else: | ||
| + | <code javascript> | ||
| + | let a = 3; | ||
| + | |||
| + | if (a%2 == 0) { // Ist der Rest der Division durch 2 gleich 0? | ||
| + | console.log(" | ||
| + | } else { | ||
| + | console.log(" | ||
| + | } | ||
| + | </ | ||
| + | if mit else if, else | ||
| + | <code javascript> | ||
| + | let a = 7; | ||
| + | if (a%3 == 0) { // Ist der Rest von a durch 3 gleich Null? | ||
| + | console.log(" | ||
| + | } else if (a%3 == 1) { | ||
| + | console.log(" | ||
| + | } else { | ||
| + | console.log(" | ||
| + | } | ||
| + | </ | ||
| + | ==== Code vereinfachen ==== | ||
| + | Die beiden letzten '' | ||
| + | |||
| + | ===== Verschachtelte if ===== | ||
| + | <code javascript> | ||
| + | let a = 2; | ||
| + | let b = 3; | ||
| + | if (a%2 == 0) { | ||
| + | b = b+2; | ||
| + | if (b%3 == 0) { | ||
| + | // tu was | ||
| + | } | ||
| + | } | ||
| + | </ | ||
| + | | ||
| + | | ||
| + | ====== Quizz ====== | ||
| + | true oder false? | ||
| + | |||
| + | Achtung: Aufgaben 4 und 5 können **ohne Rechnen** gelöst werden! | ||
| + | <quizlib id=" | ||
| + | < | ||
| + | < | ||
| + | < | ||
| + | < | ||
| + | < | ||
| + | </ | ||
| + | |||