Online JavaScript Compiler
Code Editor
const arr = [1, 2, 3, 4, 5];
console.log("Array:", arr);
console.log("Sum:", arr.reduce((a, b) => a + b, 0));
console.log("Filtered (>2):", arr.filter(x => x > 2));
console.log("Mapped (*2):", arr.map(x => x * 2));
// Use CTRL + Enter to run code
// CTRL + F to find
// CTRL + H to replace
// CTRL + Z to undo
// CTRL + Y to redo
// CTRL + / to toggle comment
Output