'use strict'; var arr = ['Bart', 'Lisa', 'Adam']; var order = ['asc', 'desc']; for(i in order){ if(order[i] === 'asc'){ arr.sort(); console.log(1、Asc); } else{ arr.sort().reverse(); console.log(2、Desc); } // 升序for console.log(for loop); for (var nameloc in arr){ console.log(Hello,${arr[nameloc]}); } // 升序while console.log(while loop);
1、Asc
2、Desc
for loop
Hello,${arr[nameloc]}
while loop
var n = arr.length; var i = 0; while(i<n){ console.log(Hello,${arr[i]}); i = i+1; } }
Hello,${arr[i]}
红色字体是数字1左边的符号导致的额
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summons_M
'use strict'; var arr = ['Bart', 'Lisa', 'Adam']; var order = ['asc', 'desc']; for(i in order){ if(order[i] === 'asc'){ arr.sort(); console.log(
1、Asc); } else{ arr.sort().reverse(); console.log(2、Desc); } // 升序for console.log(for loop); for (var nameloc in arr){ console.log(Hello,${arr[nameloc]}); } // 升序while console.log(while loop);var n = arr.length; var i = 0; while(i<n){ console.log(
Hello,${arr[i]}); i = i+1; } }