JavaScript Array Methods Speed Typing Drill | Typing Speed Test | CompileQuestHub

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JavaScript Array Methods Speed Typing Drill

Improve JavaScript typing speed and accuracy by practicing realistic array operations with map, filter, reduce, find, sort, spread syntax, callbacks, and object output.

90s testintermediateCode passage

Instructions

Type the passage exactly as shown. Preserve capitalization, spaces, indentation, brackets, quotes, commas, semicolons, arrow functions, and operators. Focus on accuracy first, then increase speed across repeated attempts.

Timer01:30

WPM0

Accuracy100%

Progress0%

Mistakes0

Type here

Use Tab for ⇄ and Enter for ↵

const users = [↵ { id: 1, name: 'Alice', age: 28, active: true },↵ { id: 2, name: 'Bob', age: 34, active: false },↵ { id: 3, name: 'Charlie', age: 22, active: true },↵ { id: 4, name: 'Dana', age: 19, active: true }↵ ];↵ ↵ const names = users.map(user => user.name);↵ ↵ const activeUsers = users.filter(user => user.active);↵ ↵ const adults = users.filter(user => user.age >= 25);↵ ↵ const totalAge = users.reduce((sum, user) => sum + user.age, 0);↵ const averageAge = totalAge / users.length;↵ ↵ const youngestUser = users.reduce((youngest, user) =>↵ user.age < youngest.age ? user : youngest↵ );↵ ↵ const teen = users.find(user => user.age < 20);↵ ↵ const hasInactiveUser = users.some(user => !user.active);↵ const allAdults = users.every(user => user.age >= 18);↵ ↵ const sortedByAge = [...users].sort((a, b) => b.age - a.age);↵ ↵ console.log({↵ names,↵ activeUsers,↵ adults,↵ averageAge,↵ youngestUser,↵ teen,↵ hasInactiveUser,↵ allAdults,↵ sortedByAge↵ });

const users = [↵ { id: 1, name: 'Alice', age: 28, active: true },↵ { id: 2, name: 'Bob', age: 34, active: false },↵ { id: 3, name: 'Charlie', age: 22, active: true },↵ { id: 4, name: 'Dana', age: 19, active: true }↵ ];↵ ↵ const names = users.map(user => user.name);↵ ↵ const activeUsers = users.filter(user => user.active);↵ ↵ const adults = users.filter(user => user.age >= 25);↵ ↵ const totalAge = users.reduce((sum, user) => sum + user.age, 0);↵ const averageAge = totalAge / users.length;↵ ↵ const youngestUser = users.reduce((youngest, user) =>↵ user.age < youngest.age ? user : youngest↵ );↵ ↵ const teen = users.find(user => user.age < 20);↵ ↵ const hasInactiveUser = users.some(user => !user.active);↵ const allAdults = users.every(user => user.age >= 18);↵ ↵ const sortedByAge = [...users].sort((a, b) => b.age - a.age);↵ ↵ console.log({↵ names,↵ activeUsers,↵ adults,↵ averageAge,↵ youngestUser,↵ teen,↵ hasInactiveUser,↵ allAdults,↵ sortedByAge↵ });

The passage stays in place while your typed text lines up directly on top of it. Tip: use `Tab` for `⇄` and `Enter` for `↵` while typing the passage.

Progress0%

Correct chars: 0Typed chars: 0Mistakes: 0Status: Ready

Session Summary

Current WPM0

Accuracy100%

Elapsed00:00

Remaining01:30

Mistakes0

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