break语句可立即退出循环
continue 结束本次循环,继续开始下一次循环
var pwd,pwdAgain; while(true){ pwd = prompt('请输入密码'); if(pwd=='123456'){ pwdAgain=prompt("请再次输入密码"); if(pwdAgain==pwd){ break; }else{ continue; } } }
break语句可立即退出循环
continue 结束本次循环,继续开始下一次循环
var pwd,pwdAgain; while(true){ pwd = prompt('请输入密码'); if(pwd=='123456'){ pwdAgain=prompt("请再次输入密码"); if(pwdAgain==pwd){ break; }else{ continue; } } }