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Shift & Symbols · Advanced

Symbols & Operators

Parentheses, brackets and braces, then the operators that do the work: math, comparisons, logic, arrows and pipes.

2 units · 6 lessons · ~10 min

Start lesson 1

Short and often beats long and rare: one or two lessons a day is plenty.

Unit 1

Brackets and Braces

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  1. 1

    Lesson 1: Parentheses

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    Mission: calculate a distance. Follow each pair of parentheses from opening to closing; accuracy comes before speed.

    Apply · ~1 min

  2. 2

    Lesson 2: Square Brackets

    Mission: read a scoreboard. Keep array brackets and zero-based positions clear as you type.

    Apply · ~1 min

  3. 3

    Lesson 3: Curly Braces

    Checkpoint: build a player profile. Type object braces, function bodies and conditions with at least 95% keystroke accuracy.

    Apply · ~2 min

Unit 2

Operators

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  1. Lesson 1: Math Operators

    Mission: calculate a shopping total. Slow down at arithmetic symbols and compound assignments.

    Apply · ~2 min · earlier practice recommended; you can continue anyway

  2. Lesson 2: Comparisons and Logic

    Mission: inspect access rules. Notice how comparison and logical operators combine conditions.

    Apply · ~2 min · earlier practice recommended; you can continue anyway

  3. Lesson 3: Arrows, Pipes and Questions

    Checkpoint: practise JavaScript expressions, then a shell pipeline. These are separate examples; aim for 95% keystroke accuracy.

    Apply · ~2 min · earlier practice recommended; you can continue anyway