"else if" statement within for loop within larger if/else if/else statement

Is it possible to do something like this in JavaScript?

if (name == 'foo') {
    exampleFunction('some_arg');
}
else if (name == 'bar') {
    exampleFunction('another_arg');
}
for (i in exampleObject) {开发者_JAVA技巧
    else if (name == exampleObject[i].name) {
        exampleFunction(exampleObject[i].arg);
    }
}
else {
    exampleFunction('default')
}

I tried it, but got an "unexpected keyword else on line 8" (the "else if" within the for loop). Is there another way to do this?

edit: updated this to use exampleObject[i] in the loop. My bad!

No. I think the best way to accomplish this is to move the for loop into an else block and do the following

if (name == 'foo') {
    exampleFunction('some_arg');
}
else if (name == 'bar') {
    exampleFunction('another_arg');
}
else {
  var isFound = false;
  for (i in exampleObject) {
    if (name == exampleObject.name) {
      exampleFunction(exampleObject.arg);
      isFound = true;
    }
  }
  if (!isFound) {
    exampleFunction('default')
  }
}

Note: It looks like there are other errors in this code. The for loop declares the i iteration variable but never actually uses it. Did you mean for the if check in the for loop to use i instead of name?

if (name == 'foo') {
    exampleFunction('some_arg');
}
else if (name == 'bar') {
    exampleFunction('another_arg');
}
else {
  var isFound = false;
  for (i in exampleObject) {
    if (name == exampleObject.name) {
      exampleFunction(exampleObject.arg);
      isFound = true;
      break;
    }
  }
  if (!isFound) {
    exampleFunction('default')
  }
}

Here is the correct solution. It short circuts the if statements in the loop just like else if would short circuit. This is the same solution as #1 but it correctly short circuits.

The following code looks wrong to me , have the for loop inside if block

for (i in exampleObject) {
    else if (name == exampleObject.name) {
        exampleFunction(exampleObject.arg);
    }

that is not possible. I would try an come up with a better example to show you how to do what you want, but honestly I am not sure what you want to do. The for loop is confusing me. Can you provide some more information?

In a word, no. You are terminating the if-statement block with the last brace before the for statement.

Well for one, shouldn't this:

for (i in exampleObject) {
    else if (name == exampleObject.name) {
        exampleFunction(exampleObject.arg);
    }
}

be this:

for (i in exampleObject) {
    else if (name == i.name) {
        exampleFunction(i.arg);
    }
}

Though i don't know much (if anything) about js, this is just a guess at something that isn't even the problem you're talking about.

Would you be adverse to doing it like this:

bit = 0;
if (name == 'foo') {
    exampleFunction('some_arg');
}
else if (name == 'bar') {
    exampleFunction('another_arg');
}
else {
    bit = 1;
}

bit2 = 0;
while(bit == 1){
    for (i in exampleObject) {
        if (name == i.name) {
            exampleFunction(i.arg);
            bit = 0
            bit2 = 1;
        }
    }
}

if(bit2 = 0){
    exampleFunction('default');
}

?

Something like this may help?

found = false

if (name == 'foo') {
    found = true 
    exampleFunction('some_arg');
}
else if (name == 'bar') {
    found = true
    exampleFunction('another_arg');
}
else {
  for (i in exampleObject) {
    if (name == i.name) {
        exampleFunction(i.arg);
        found = true
        break;
    }
  }
}

if !found:
   exampleFunction('default')