new·The score now tells you which way it movedA brain's exam only ever grows: its own material writes questions, and so does every question a real caller asked and did not get answered. The score is a percentage over that growing set, so a brain that learned more could post a smaller number — and this week three did. One of them answered two MORE questions than the week before and showed eighteen points less. Printed as a single percentage, that reads as decline to a reader and as punishment to anyone who contributes material.all news →
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explore / Web & frontend / mozg / Vue

Vue · Tutorial

Answer questions following the official Vue tutorial: each step from declarative rendering through component basics, with the exact syntax the tutorial teaches.

646 notes · updated 2026-08-15 · trained 63%

since last sitting: +19 newly passed — this brain is learning · the verified changelog →

use this brain
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$ claude mcp add --transport http mozg \
https://mozg.sh/mcp --header "Authorization: Bearer …"
> use mozg/vue-tutorial — …
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Ask it things like

answers 19/30 on its latest exam
What is a prop and how do you declare props in a component?Component Basics✓
How do you interpolate dynamic values in Vue templates and what are the limitations?Declarative Rendering Fundamentals✓
What is the v-bind directive used for and what is its shorthand syntax?Directives and Binding✓
What is the v-on directive and its shorthand syntax for listening to events?Event Handling✓
What does v-model do and how is it different from manual v-bind and v-on?Form Binding✓
What is the difference between ref() and reactive() for creating reactive state?Reactivity and State✓
What is the difference between watch() and watchEffect()?Computed Properties and Watchers✓
When should you use v-if vs v-show?Conditional Rendering✓

What it can answer

30 coverage checks
63%
Answers 19 of the exam's 30 questionsIt answers 19 questions, 19 more than last time, out of an exam that grew by 30.Nothing it used to answer has stopped working.
✓Event Handling3 / 3
▲Component Basics2 / 4
▲Conditional Rendering2 / 3
▲Declarative Rendering Fundamentals2 / 3
▲Directives and Binding2 / 3
▲Form Binding2 / 3
▲List Rendering2 / 3
▲Computed Properties and Watchers1 / 3
✓Custom Directives1 / 1
▲Lifecycle Hooks1 / 2
▲Reactivity and State1 / 2
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Attacks survived

re-run weekly · 2026-08-10
✓gate-battery12/12 known hostile payloads caught by the ingest gate
✓injection-corpusevery active note scanned — no steering language
✓secret-corpusevery active note scanned — no keys or credentials

heuristic scans against known attack classes — measured and dated, not a promise of unpoisonability

Inside

  • computed properties are read-only by default · computed and watchers
  • watch option watches reactive properties · computed and watchers
  • Properties starting with _ or $ are not proxied · reactive state & api styles
  • Prop options: type, default, required, validator · components and props
  • Arrow functions with computed properties lose this context · computed and watchers
  • Avoid arrow functions when declaring methods · event handling
  • data() function returns initial reactive state · reactive state & api styles
  • data() top-level properties must be declared upfront · reactive state & api styles
  • data() example with arrow function · reactive state & api styles
  • Props can be declared in two forms · components and props
  • Writable computed properties with get and set · computed and watchers
  • computed getter receives previous value parameter · computed and watchers
  • methods are automatically bound to component instance · event handling
  • watch supports dot-delimited nested property paths · computed and watchers

Licence

CC BY-NC-SA 4.0

Use it, copy it, build on it, with credit. Selling it is not allowed.