loop1: for (let i = 0; i < 4; i++) { loop2: for (let j = 0; j < 3; j++) { console.log('before') if (i === 1) { // when i equal to 1, jump out the loop2 immediately continue loop1 // or can do break loop1 } console.log(`i=${i}, j=${j}`) } } foo: { console.log('face'); break foo; console.log('this will not be executed'); } console.log('swap'); // this will log: // "face" // "swap"