If vs. Else-if vs. Elsif : Quelle est la différence ?
if et else if sont les standards, elsif est juste un raccourci spécifique à certains langages.
Grammar Rule in 30 Seconds
Use 'if' to start a condition, 'else' for the alternative, and 'else if' for a second specific option.
- Use 'if' for your first condition: 'If it rains, stay inside.' (max 20 words)
- Use 'else' for everything else: 'If it's sunny, go out; else, stay home.'
- Use 'else if' for a middle option: 'If it's hot, swim; else if it's cool, hike.'
Overview
if, else if et elsif. Si tu t'intéresses au code, ces termes te disent forcément quelque chose.if et ses variantes, c'est adopter ce « mindset » anglophone : on pose une condition, on regarde si elle est vraie, et on décide de la suite. C'est propre, c'est efficace, et ça t'évitera bien des malentendus lors de tes prochaines présentations ou emails professionnels.if / else if / else permet de créer un chemin de décision où une seule option sera finalement choisie. C'est ce qu'on appelle l'exclusivité mutuelle.- Le
ifcorrespond à notre « Si ». - Le
else if(ouelsif/elifselon le contexte technique) correspond à notre « Sinon si ». - Le
elsecorrespond à notre « Sinon » (le cas par défaut).
true), l'anglais s'arrête là. Il exécute l'action correspondante et ignore tout le reste de la chaîne.- 1
If it's Monday, we have a meeting.(Si c'est lundi, on a une réunion.) - 2
Else if it's Friday, we have a wrap-up.(Sinon si c'est vendredi, on fait un bilan.) - 3
Else, we work on our projects.(Sinon, on travaille sur nos projets.)
- L'étape 1 : Le
if
- L'étape 2 : Le
else if(ou ses variantes)
- L'étape 3 : Le
else
if | Si | La condition initiale, toujours présente. |else if | Sinon si | Standard dans la plupart des contextes (Java, JavaScript). |elsif | Sinon si | Spécifique à certains langages comme Ruby ou Perl. |elif | Sinon si | La version contractée utilisée en Python. |else | Sinon / Autrement | Le cas par défaut quand rien d'autre ne s'applique. |else if, elsif et elif sont des cousins germains. Ils font exactement le même travail : proposer une alternative qui n'est testée que si ce qui précède a échoué.If the client calls before 10 AM, I will take the call. Else if they call in the afternoon, my assistant will handle it. Else, we will call them back tomorrow.If the product is broken, we offer a refund. Else if the customer changed their mind, we offer a voucher. Else, we cannot accept the return.If it's sunny, let's go to the terrace. Else if it's just cloudy, we can walk in the park. Else, let's stay at the café.else if tels quels. On utilisera souvent otherwise ou if not. Mais comprendre la structure if / else if te donne la base logique pour construire ces phrases correctement.if indépendant (The Multiple Ifs Trap)if.If you are a student, you pay 5$. If you are a senior, you pay 7$.else if, tu clarifies que la personne ne rentre que dans une seule catégorie de prix.actuallyActually, if.... Mais actually ne veut pas dire « actuellement ». C'est un faux-ami. Si tu veux introduire une condition alternative, reste sur else if ou otherwise.else)else, et qu'aucune condition if n'est remplie, il ne se passe rien. C'est ce qu'on appelle un « silence logique ».else (un « sinon ») pour couvrir tous les autres cas.if / else if soit claire, n'hésite pas à faire des phrases courtes. Un point après chaque bloc d'action rend ton discours beaucoup plus percutant.if ... else if | Choix exclusif (un seul gagnant) | If it's red, stop. Else if it's green, go. |if ... and if | Conditions cumulatives (les deux doivent être vraies) | If it's cold AND if it's raining, take a coat. |whether ... or | Alternative entre deux options précises | I don't know whether he will come or not. |unless | La condition négative (à moins que) | I'll go to the beach unless it rains. |unless est particulièrement intéressant pour nous. En français, on dirait « à moins que ». C'est souvent une alternative plus élégante à if not.Unless you have a VIP pass, you must wait in line.If you don't have a VIP pass, else if....else if à l'oral dans une conversation normale ?If it's too expensive, we'll look for something else. Or, if you prefer, we can just go home. Le Or, if... remplace souvent le else if dans le langage parlé.elsif et elif ?elsif est le mot-clé en Ruby, alors que elif est celui de Python. Dans une conversation en anglais général, on utilise toujours la forme complète : else if.else est obligatoire ?if tout seul. On l'utilise quand on veut juste préciser ce qui se passe si la condition est remplie, mais que si elle ne l'est pas, le reste n'a pas d'importance ou reste inchangé.if ?if, on utilise généralement le présent simple pour parler du futur ou des généralités (ex: If it rains...). Le subjonctif anglais est très rare et se limite souvent à If I were you....if -> else if -> else est le squelette de la logique universelle. T'inquiète pas, avec un peu de pratique, ça deviendra un réflexe aussi naturel que de commander ton café le matin !The Logical Flow Table
| Part | Function | Natural English Equivalent | Example |
|---|---|---|---|
|
If
|
Starts the condition
|
In the event that
|
If it rains...
|
|
Else if
|
Adds a second condition
|
But if / Or if
|
...else if it snows...
|
|
Else
|
The final alternative
|
Otherwise / Or else
|
...else, stay home.
|
|
Elsif
|
Technical contraction
|
N/A (Coding only)
|
elsif (x > 0)
|
Common Contractions and Phrases
| Full Form | Common Phrase | Context |
|---|---|---|
|
Or else
|
Do it, or else!
|
Warning/Threat
|
|
Else if
|
Or if
|
Conversation
|
|
If not
|
Unless
|
General usage
|
|
If so
|
If that is true
|
Confirmation
|
Meanings
These terms are used to create conditional sentences where an action depends on whether a specific requirement is met.
The Primary Condition (If)
Introduces the first requirement or possibility in a logical sequence.
“If you are hungry, we can eat now.”
“I will go if you go.”
The Alternative (Else)
Used to describe what happens if the 'if' condition is not met. In spoken English, often replaced by 'otherwise'.
“You must pay the fine, or else you will go to jail.”
“Eat your vegetables; else, no dessert!”
The Secondary Condition (Else-if)
Used when the first 'if' is false, but you want to check a second specific condition before giving up.
“If it's 10:00, I'm working; else if it's 12:00, I'm eating.”
“If the red light is on, stop; else if the yellow light is on, slow down.”
The Technical Contraction (Elsif)
A specific spelling used in programming languages (like Ruby or Perl) to mean 'else if'.
“The programmer used 'elsif' to save space in the code.”
“You won't find 'elsif' in a standard English dictionary.”
Reference Table
| Terme | But | Langages courants | Exemple de syntaxe |
|---|---|---|---|
|
`if`
|
Démarre un bloc conditionnel. Toujours vérifié.
|
Tous (JavaScript, Python, Ruby, Java, C++)
|
`if (x > 10)`
|
|
`else if`
|
Vérifie une nouvelle condition si le `if` ou `else if` précédent était faux.
|
JavaScript, Java, C++, C#
|
`else if (x > 5)`
|
|
`elsif`
|
Un synonyme plus court de `else if`.
|
Ruby, Perl, Ada
|
`elsif x > 5`
|
|
`elif`
|
Un autre synonyme plus court de `else if`.
|
Python, Bash scripting
|
`elif x > 5:`
|
|
`else`
|
Un bloc par défaut qui s'exécute si aucune des conditions précédentes n'a été remplie.
|
Tous (JavaScript, Python, Ruby, Java, C++)
|
`else`
|
Spectre de formalité
Should it rain, the event will be moved indoors; otherwise, it will remain outside. (Event planning)
If it rains, we'll go inside; else, we'll stay here. (Event planning)
If it rains, we're going in. If not, we're staying out. (Event planning)
Rain? We're inside. No rain? We're chillin' out here. (Event planning)
Flux de logique conditionnelle
Vérification principale
- if Démarre la logique
Vérifications secondaires
- else if Suite courante
- elsif Version Ruby/Perl
- elif Version Python
Option de repli finale
- else Si rien ne correspond
Comparaison des mots-clés : `else if` vs. `elsif`
Quel mot-clé devrais-je utiliser ?
Commences-tu une nouvelle vérification conditionnelle ?
Codes-tu en Python ?
Codes-tu en Ruby ou Perl ?
Mots-clés par famille de langages
Style C (JS, Java, C#)
- • if
- • else if
- • else
Python
- • if
- • elif
- • else
Ruby & Perl
- • if
- • elsif
- • else
Exemples par niveau
If it is cold, wear a coat.
If it is cold, wear a coat.
If you are happy, smile.
If you are happy, smile.
I will come if you ask.
I will come if you ask.
If I see him, I will say hello.
If I see him, I will say hello.
If you don't like it, don't eat it.
If you don't like it, don't eat it.
We can go to the park, or else we can stay here.
We can go to the park, or else we can stay here.
If she calls, tell me.
If she calls, tell me.
If it rains, we will go to the cinema.
If it rains, we will go to the cinema.
If the price is low, buy it; else, wait for a sale.
If the price is low, buy it; else, wait for a sale.
If you are tired, sleep; else if you are bored, read a book.
If you are tired, sleep; else if you are bored, read a book.
You must study, else you will fail the exam.
You must study, else you will fail the exam.
If he arrives early, wait; else if he is late, call him.
If he arrives early, wait; else if he is late, call him.
If the results are inconclusive, we must retest; else, we proceed.
If the results are inconclusive, we must retest; else, we proceed.
If you had told me, I would have helped; else, I had no idea.
If you had told me, I would have helped; else, I had no idea.
The software checks if the user is logged in; else if the guest mode is on, it allows access.
The software checks if the user is logged in; else if the guest mode is on, it allows access.
If you find any errors, please let us know; else, enjoy the book.
If you find any errors, please let us know; else, enjoy the book.
Should the market crash, we have a backup; else, we remain invested.
Should the market crash, we have a backup; else, we remain invested.
If one considers the ethical implications, the choice is clear; else, it remains a gray area.
If one considers the ethical implications, the choice is clear; else, it remains a gray area.
The script uses an 'elsif' ladder to handle various user inputs efficiently.
The script uses an 'elsif' ladder to handle various user inputs efficiently.
If the treaty is signed, peace is possible; else, conflict is inevitable.
If the treaty is signed, peace is possible; else, conflict is inevitable.
Were it not for his intervention, the project would have failed; else, we would be celebrating now.
Were it not for his intervention, the project would have failed; else, we would be celebrating now.
The linguistic distinction between 'if' and 'else' mirrors the binary nature of human decision-making.
The linguistic distinction between 'if' and 'else' mirrors the binary nature of human decision-making.
If the premise holds, the conclusion follows; else, the entire argument collapses.
If the premise holds, the conclusion follows; else, the entire argument collapses.
The code was riddled with 'elsif' statements, suggesting a lack of polymorphic design.
The code was riddled with 'elsif' statements, suggesting a lack of polymorphic design.
Facile à confondre
Both can introduce options, but 'whether' is for two fixed choices, while 'if' is for a condition.
Learners use 'else' as a transition word, which is rare.
'If' is for possibility; 'when' is for certainty.
Erreurs courantes
If it rain, I stay.
If it rains, I stay.
I will go if.
I will go if you go.
If I am happy then I smile.
If I am happy, I smile.
If it is hot? Yes.
Is it hot? If so, yes.
If you want, else I go.
If you want, stay; otherwise, I'm going.
If it rains, or else we stay.
If it rains, we stay.
If I will see him, I will tell him.
If I see him, I will tell him.
I used elsif in my email.
I used 'or if' in my email.
If it's red, stop, else if it's green, go.
If it's red, stop; if it's green, go.
He is coming, else?
He is coming, or what else?
If I was you, I'd go.
If I were you, I'd go.
Should it rain, else we go.
Should it rain, we shall stay; otherwise, we go.
If the code has an else-if...
If the code has an 'else if'...
Structures de phrases
If it ___, I will ___.
I need to ___, else I will ___.
If you ___, then ___; else if you ___, then ___.
Should you ___, please ___.
Real World Usage
If u r free, let's hang. Else, ttyl!
If I am hired, I will work hard; else, I will continue my search.
If you have the vegan option, I'll take that; else, just the salad.
If the flight is delayed, call the hotel; else, take a taxi.
If you like this post, share it! Else, just keep scrolling.
if (user.admin?) { show_dashboard } elsif (user.guest?) { show_welcome } else { redirect_to_login }
Utilise `else if` par défaut
else if est le terme le plus compris. Utilise-le par défaut, sauf si tu parles spécifiquement d'un langage comme Ruby ou Python. If the user is logged in, else if they have a guest account.
Ne confonds pas `elif` et `elsif`
elif et Ruby/Perl utilisent elsif. Si tu te trompes, ton code ne marchera pas ! Ils font la même chose, mais tu dois utiliser le bon mot-clé pour le bon langage. My Python code failed because I wroteelsifinstead ofelif.
Pense à l'instruction `switch`
else if (plus de 5, par exemple), un switch peut être plus propre et plus efficace. C'est fait pour vérifier une variable par rapport à plein de valeurs possibles. Instead of a longif-else ifchain, consider aswitchstatement here.
C'est une question de 'style'
else if, elsif ou elif est juste une décision de conception du langage, souvent appelée 'sucre syntaxique'. C'est une discussion sympa entre développeurs, mais aucun n'est vraiment 'meilleur' que l'autre. The choice betweenelse ifandelsifis mostly a matter of syntactic sugar.
Smart Tips
Change it to 'Otherwise'. It sounds much more natural to native ears.
Check if the book is about computer science. If not, it might be a typo!
Use 'Should you' instead of 'If you'.
Use 'or else' at the end of the condition.
Prononciation
The 'If' Stress
In a conditional sentence, the stress is usually on the 'if' and the main verb of the result.
Else Intonation
When using 'else' as an alternative, your voice usually rises on the first option and falls on the 'else' option.
The Choice Pattern
If it's A ↗️, then B ↘️.
Conveys a clear logical consequence.
Mémorise-le
Moyen mnémotechnique
IF starts the car, ELSE IF changes gears, and ELSE is the parking brake.
Association visuelle
Imagine a traffic light. IF it's red, stop. ELSE IF it's yellow, slow down. ELSE (it must be green), go!
Rhyme
If for one, Else if for two, Else for when you're finally through.
Story
A traveler reaches a bridge. IF he has a coin, he crosses. ELSE IF he has a sword, he fights. ELSE, he turns back home.
Word Web
Défi
Write a 3-step instruction for making coffee using If, Else if, and Else.
Notes culturelles
In Silicon Valley and tech hubs, 'if-else' logic is often used as a metaphor for life decisions.
British speakers often use 'otherwise' or 'or else' more frequently than 'else' in casual conversation.
Legal documents use 'if' and 'else' (often as 'failing which') to create airtight contracts.
'If' comes from the Old English 'gif', meaning 'given that'. 'Else' comes from 'elles', meaning 'other'.
Amorces de conversation
If you could travel anywhere right now, where would you go?
If it rains this weekend, what are your backup plans?
What happens if you forget your keys?
If you were the president, what is the first law you would change?
Sujets d'écriture
Erreurs courantes
Test Yourself
if (score > 90) { grade = 'A'; } ___ (score > 80) { grade = 'B'; }
else if pour les vérifications conditionnelles suivantes.Choose the correct sentence:
elif est le mot-clé spécifique que Python utilise comme raccourci pour 'else if'.Find and fix the mistake:
To add another check in Ruby, you use the `else if` keyword.
elsif.Score: /3
Exercices pratiques
8 exercisesIf you are tired, go to bed; ___, you will be grumpy tomorrow.
___ it is 5 PM, I leave work; ___ it is 6 PM, I am at the gym.
Find and fix the mistake:
If I will see her, I will tell her.
1. If it's hot... 2. Else if it's cold... 3. Else...
else / study / you / will / fail / hard
You can use 'elsif' in a formal business letter.
A: Are you coming to the party? B: If I finish my work, yes; ___, I'll have to stay home.
Stay here or you will get wet.
Score: /8
Practice Bank
14 exercisesI'm writing in Ruby, so I need to use ___ instead of `else if`.
Choose the correct sentence:
My Python code is broken. The `elsif` statement is causing a syntax error.
The code checks `if user_type == 'admin':`, and then `___ user_type == 'editor':`
Match the language to its 'else if' keyword:
Translate into English: In a programming context, what is the most generic, widely understood term for a conditional check that follows an 'if'?
Arrange these words into a sentence:
Choose the correct sentence:
Using `elif` in a JavaScript file is a common practice.
Arrange these words into a sentence:
Match the conditional term to its role:
Translate into English: What is the primary reason for a language to use `elsif` instead of `else if`?
Okay, the first check is `if (is_ready)`. The next check must be `___ (is_waiting)` because I am writing in Java.
The main difference between `if` and `else if` is that `if` is optional.
Score: /14
FAQ (8)
In English, no. In programming languages like Ruby, yes. In writing, always use 'else if' or 'or if'.
Rarely. It usually follows a comma or a semicolon. Use 'Otherwise' to start a new sentence.
'Unless' means 'if not'. 'Unless it rains' is the same as 'If it doesn't rain'.
Only if the 'if' clause comes at the beginning of the sentence.
It can be! If you don't finish the sentence, it sounds like a threat. 'Do it, or else!'
Yes! 'Who else is coming?' or 'What else do you need?' are very common.
It's a shortcut to save typing and make the code run slightly faster in some older languages.
It's when you put an 'if' inside another 'if'. 'If it's Monday, then if it's raining, I stay home.'
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
si / sino / o si no
Spanish has a specific word 'sino' for 'else' when it means 'but instead'.
si / sinon
French 'si' can also mean 'yes' in response to a negative question, which 'if' cannot do.
wenn / falls / sonst
German uses 'wenn' for both 'if' and 'when', which is a major point of confusion for learners.
moshi / nara / tara
Japanese conditionals are built into the verb conjugation, not just placed at the start of the sentence.
in / idha / law
English uses 'if' for all three, relying on verb tenses to show the difference.
rúguǒ / yàobù
Chinese often omits the 'if' word entirely if the context is clear.
Learning Path
Prerequisites
Vidéos associées
Motivation: Fail Better (ft. Peter Dinklage)
Documentary Food, Inc - summary
Why are everyday injuries a public health issue? Episode 15 of "That's Public Health"
Python : Les conditions if / elif / else
Graven
Les conditions IF / ELSE IF / ELSE en JavaScript
Grafikart
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