Question

目前底部的这两个警报都返回＆＃34; undefined＆＃34;。我不确定这个问题是否是由于我试图提醒错误的事情，我是否只是将其编码错误或者是什么，请帮助我们。）

var contents = [ "Loughborough University offers degree programmes and world class research.", "An alternative University", "Yet another University"]; 

function matchContents(contents,pattern)
{
    var c = pattern.toLowerCase();
    var d = [];
    var arraypointer = 0;
    for(var i = 0;i<=contents.length-1;i++)
    {
        for(var j = 0;j<=contents[i].length-1;j++)
        {
            if(c.charAt(j)>='a' && c.charAt(j)<='z')
                if(contents[i].toLowerCase().indexOf(c.charAt(j)==-1))
                    j=contents[i].length;
        }
        d[arraypointer] = i;
        arraypointer++;
    }
}

alert(matchContents(contents,"LU"));
alert(matchContents(contents,"other"));

Answer 1

可能只是返回数组d的情况。

def something1(x):
    x += 0
    return x

def something2(y):
    y += 0
    return y    

def main():
    print("1. Try to open door")
    print("2. Go to room1")
    print("3. Go to room2")
    choice = int(input("Enter selection: ")
    if choice == "1":

     # Trying to get this if statement to work with the variables
     # Don't know which function or parameters to pass in order to get it to work

        if x == 3 and y == 2:
            print("You're free")
        else:
            print("You're not free")
    elif choice == "2":
        room1()
    elif choice == "3":
        room2()
    else:
        print("ERROR")
        main()

def room1():
    print("1. Push thing1")
    print("2. Push thing2")
    print("3. Push thing3")
    print("4. Return to previous room")
    pushChoice = input("Enter selection: ")
    if pushChoice == "1":
        print("Thing1 pushed")
        room1()
    elif pushChoice == "2":
        print("Thing2 pushed")
        room1()
    elif pushChoice == "3":
        print("Thing3 pushed")

     # The modified variable x for something1(x)

        x = 3
        x = something1(x)
        room1()
    elif pushChoice == "4":
        main1()
    else:
        print("ERROR")
        room1()

def room2():
    print("1. Pull thingA")
    print("2. Pull thingB")
    print("3. Pull thingC")
    print("4. Return to previous room")
    pullChoice = input("Enter selection: ")
    if pullChoice == "1":
        print("ThingA pushed")
        room1()
    elif pullChoice == "2":
        print("ThingB pushed")

      # The modified variable y for something2(y)

        y = 2
        y = something1(y)       
        room1()
    elif pullChoice == "3":
        print("ThingC pushed")
        room1()
    elif pullChoice == "4":
        main1()
    else:
        print("ERROR")
        room1()

苦苦挣扎的Javascript返回一个数组

1 个答案: