发现与分享代码片段

// JavaScript Playground
const numbers = [1, 2, 3, 4, 5];

// Map numbers to their squares
const squares = numbers.map(n => n * n);
console.log('Original numbers:', numbers);
console.log('Squared numbers:', squares);

// Filter for even numbers
const evenNumbers = numbers.filter(n => n % 2 === 0);
console.log('Even numbers:', evenNumbers);

// Calculate sum using reduce
const sum = numbers.reduce((acc, curr) => acc + curr, 0);
console.log('Sum of numbers:', sum);

// JavaScript Playground
const numbers = [1, 2, 3, 4, 5];

// Map numbers to their squares
const squares = numbers.map(n => n * n);
console.log('Original numbers:', numbers);
console.log('Squared numbers:', squares);

// Filter for even numbers
const evenNumbers = numbers.filter(n => n % 2 === 0);
console.log('Even numbers:', evenNumbers);

// Calculate sum using reduce
const sum = numbers.reduce((acc, curr) => acc + curr, 0);
console.log('Sum of numbers:', sum);

// JavaScript Playground
const numbers = [1, 2, 3, 4, 5];

// Map numbers to their squares
const squares = numbers.map(n => n * n);
console.log('Original numbers:', numbers);
console.log('Squared numbers:', squares);

// Filter for even numbers
const evenNumbers = numbers.filter(n => n % 2 === 0);
console.log('Even numbers:', evenNumbers);

// Calculate sum using reduce
const sum = numbers.reduce((acc, curr) => acc + curr, 0);
console.log('Sum of numbers:', sum);

// JavaScript Playground
const numbers = [1, 2, 3, 4, 5];

// Map numbers to their squares
const squares = numbers.map(n => n * n);
console.log('Original numbers:', numbers);
console.log('Squared numbers:', squares);

// Filter for even numbers
const evenNumbers = numbers.filter(n => n % 2 === 0);
console.log('Even numbers:', evenNumbers);

// Calculate sum using reduce
const sum = numbers.reduce((acc, curr) => acc + curr, 0);
console.log('Sum of numbers:', sum);

// JavaScript Playground
const numbers = [1, 2, 3, 4, 5];

// Map numbers to their squares
const squares = numbers.map(n => n * n);
console.log('Original numbers:', numbers);
console.log('Squared numbers:', squares);

// Filter for even numbers
const evenNumbers = numbers.filter(n => n % 2 === 0);
console.log('Even numbers:', evenNumbers);

// Calculate sum using reduce
const sum = numbers.reduce((acc, curr) => acc + curr, 0);
console.log('Sum of numbers:', sum);

// JavaScript Playground
const numbers = [1, 2, 3, 4, 5];

// Map numbers to their squares
const squares = numbers.map(n => n * n);
console.log('Original numbers:', numbers);
console.log('Squared numbers:', squares);

// Filter for even numbers
const evenNumbers = numbers.filter(n => n % 2 === 0);
console.log('Even numbers:', evenNumbers);

// Calculate sum using reduce
const sum = numbers.reduce((acc, curr) => acc + curr, 0);
console.log('Sum of numbers:', sum);

// JavaScript Playground
const numbers = [1, 2, 3, 4, 5];

// Map numbers to their squares
const squares = numbers.map(n => n * n);
console.log('Original numbers:', numbers);
console.log('Squared numbers:', squares);

// Filter for even numbers
const evenNumbers = numbers.filter(n => n % 2 === 0);
console.log('Even numbers:', evenNumbers);

// Calculate sum using reduce
const sum = numbers.reduce((acc, curr) => acc + curr, 0);
console.log('Sum of numbers:', sum);

// JavaScript Playground
const numbers = [1, 2, 3, 4, 5];

// Map numbers to their squares
const squares = numbers.map(n => n * n);
console.log('Original numbers:', numbers);
console.log('Squared numbers:', squares);

// Filter for even numbers
const evenNumbers = numbers.filter(n => n % 2 === 0);
console.log('Even numbers:', evenNumbers);

// Calculate sum using reduce
const sum = numbers.reduce((acc, curr) => acc + curr, 0);
console.log('Sum of numbers:', sum);

// JavaScript Playground
const numbers = [1, 2, 3, 4, 5];

// Map numbers to their squares
const squares = numbers.map(n => n * n);
console.log('Original numbers:', numbers);
console.log('Squared numbers:', squares);

// Filter for even numbers
const evenNumbers = numbers.filter(n => n % 2 === 0);
console.log('Even numbers:', evenNumbers);

// Calculate sum using reduce
const sum = numbers.reduce((acc, curr) => acc + curr, 0);
console.log('Sum of numbers:', sum);