for正序、倒序循环遍历
for(var i = 0;i<arr.length;i++)
{
console.log(`Hello,${arr[i]}`);
}
arr.sort();
for(var x in arr)
console.log('Hello,'+arr[x]);
arr.sort();//让数组返回正序
while正序、倒序循环遍历
var y = 0;
while(y<arr.length)
console.log(`Hello,${arr[y]}`);
y++;
var z = arr.length-1;
while(z>=0)
console.log('Hello,'+arr[z]);
z--;
Sign in to make a reply
发际线越高的HXS
for正序、倒序循环遍历
for(var i = 0;i<arr.length;i++)
{
console.log(`Hello,${arr[i]}`);
}
arr.sort();
for(var x in arr)
{
console.log('Hello,'+arr[x]);
}
arr.sort();//让数组返回正序
while正序、倒序循环遍历
var y = 0;
while(y<arr.length)
{
console.log(`Hello,${arr[y]}`);
y++;
}
var z = arr.length-1;
while(z>=0)
{
console.log('Hello,'+arr[z]);
z--;
}