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Conditionals

Code that runs only when a condition is true - if, else, switch - letting a program make decisions.

Depth 1 · Foundation

You can write if/else branches and predict which one runs.

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Depths of understanding

  1. 1

    Foundation

    You can write if/else branches and predict which one runs.

    Opens after

    BooleansAn if asks a question whose answer is True or False, so you need to know those values and the comparisons that make them.
  2. 2

    Deeper

    You read a condition as a logical statement - and can simplify, negate and combine conditions correctly.

    Master depth 1 first

    Conditional statementsAn `if` in code is logic's "if P then Q". Knowing the logic is what lets you negate and combine conditions without bugs.

Your path here

What's still between you and Conditionals, depth 1, in the order you can learn it.

  1. 1ProgramDepth 1 · Foundation · Program Basics
  2. 2ExpressionDepth 1 · Foundation · Program Basics
  3. 3Variables in codeDepth 1 · Foundation · Program Basics
  4. 4Program stateDepth 1 · Foundation · Program Basics
  5. 5Input and outputDepth 1 · Foundation · Program Basics
  6. 6Functions in codeDepth 1 · Foundation · Functions
  7. 7Return valuesDepth 1 · Foundation · Functions
  8. 8BooleansDepth 1 · Foundation · Control Flow
  9. 9ConditionalsDepth 1 · Foundation · Control Flow

Where it fits

Builds on

Booleans

This concept

ConditionalsControl Flow

Opens up

Edge casesWriting Correct CodeLoopsRecursionFunctions

Makes these deeper

Once you know Conditionals, come back to these — they'll mean more.