JS基礎12--break和continue
阿新 • • 發佈:2022-11-29
<!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0,minimal-ui:ios"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> <link rel="stylesheet" href=""> <script src=""></script> </head> <body> </body> <script> /* break和continue -break: break用來終止Switch和迴圈語句; break執行後當前的Switch或迴圈會立刻終止; break會終止離它最近的迴圈 -continue: continue用來跳過當次迴圈 */ for (let i = 0; i < 5; i++) { console.log(i) if (i == 3) { break //break雖然寫在if裡,但是是對迴圈生效的,不是對if生效的 console.log('跳出了') } } for (let i = 0; i < 5; i++) { for (let j = 0; j < 5; j++) { if (j == 2) { break //break雖然寫在if裡,但是是對迴圈生效的,不是對if生效的 console.log('跳出了') } console.log('內層迴圈==>'+j) } console.log(i) } for (let i = 0; i < 5; i++) { if (i == 3) { continue //continue雖然寫在if裡,但是是對迴圈生效的,不是對if生效的 console.log('跳出了') } console.log('continue'+i) } </script> </html>