Thom Page 10 years ago
commit cc2e43814e

@ -76,14 +76,14 @@ var multiplyArray = function (ary) {
### Fizz Buzzer
```javascript
var fizzbuzzer = function(x){
if( x%(3*5) == 0 ) {
if((x%5 === 0) || (x%3 === 0 )) {
return 'fizzbuzz'
} else if( x%3 == 0 ) {
return 'fizz'
} else if ( x%5 == 0 ) {
return 'buzz'
} else {
return 'archer'
return 'Panthalassa'
}
}
```

@ -4,6 +4,135 @@
## Rewrite the following Javascript functions in Ruby
### Get Name
# ```javascript
# var getName = function () {
# var name = prompt("what is your name?");
# return name;
# };
# ```
# ###Reverse It
# ```javascript
# var reverseIt = function () {
# var string = "a man, a plan, a canal, frenemies!";
# var reverse = "";
# for (var i=0; i < string.length; i++) {
# reverse += string[string.length - (i+1)];
# };
# alert(reverse);
# };
# ```
# ###Swap Em
# ```javascript
# var swapEm = function () {
# var a = 10;
# var b = 30;
# var temp;
# temp = b;
# b = a;
# a = temp;
# alert("a is now " + a + ", and b is now " + b);
# };
# ```
# ###Multiply Array
# ```javascript
# var multiplyArray = function (ary) {
# if (ary.length == 0) { return 1; };
# var total = 1;
# // var total = ary[0];
# for (var i=0; i < ary.length; i++) {
# total = total * ary[i];
# };
# return total;
# };
# ```
# ### Fizz Buzzer
# ```javascript
# var fizzbuzzer = function(x){
# if( x%(3*5) == 0 ) {
# return 'fizzbuzz'
# } else if( x%3 == 0 ) {
# return 'fizz'
# } else if ( x%5 == 0 ) {
# return 'buzz'
# } else {
# return 'archer'
# }
# }
# ```
# ###Nth Fibonacci
# ```javascript
# var nthFibonacciNumber = function () {
# var fibs = [1, 1];
# var num = prompt("which fibonacci number do you want?");
# while (fibs.length < parseInt(num)) {
# var length = fibs.length;
# var nextFib = fibs[length - 2] + fibs[length - 1];
# fibs.push(nextFib);
# }
# alert(fibs[fibs.length - 1] + " is the fibonacci number at position " + num);
# };
# ```
# ### Search Array
# ``` javascript
# var searchArray = function(array,value) {
# for(var i = 0; i < array.length-1; i++) {
# if(array[i] == value) {
# return true;
# break;
# }
# }
# return -1;
# };
# ```
# ### Palindrome
# Write a method that checks whether or not a string is a palindrome.
# Here is the javascript:
# ``` javascript
# var isPalindrome = function(str) {
# for(var i = 0; i < str.length/2; i++){
# if(str[i] != str[str.length-i-1]){
# return false;
# break;
# }
# return true;
# }
# };
# ```
# ### hasDupes
# Write a method that checks whether or not an array has any duplicates.
# Here is the javascript:
# ``` javascript
# var hasDupes = function(arr){
# var obj = {};
# for (i = 0; i < arr.length; i++) {
# if(obj[arr[i]]) {
# return true;
# }
# else {
# obj[arr[i]] = true;
# }
# }
# return false;
# };
```
////////////////////////////
# SOLUTIONS
### Get Name
```javascript
var getName = function () {
@ -12,6 +141,11 @@ var getName = function () {
};
```
```Ruby
print "what is your name?"
name = gets.chomp
```
###Reverse It
```javascript
var reverseIt = function () {
@ -25,6 +159,12 @@ var reverseIt = function () {
alert(reverse);
};
```
```Ruby
string = "a man, a plan, a canal, frenemies!"
string.reverse!
```
###Swap Em
```javascript
@ -40,6 +180,15 @@ var swapEm = function () {
alert("a is now " + a + ", and b is now " + b);
};
```
```Ruby
a = 10
b = 30
c = a
a = b
b = c
puts ("a is now " + b + ", and b is now " + a)
```
###Multiply Array
```javascript
var multiplyArray = function (ary) {
@ -55,6 +204,21 @@ var multiplyArray = function (ary) {
return total;
};
```
```Ruby
def multiply_array(ary)
if ary.length === 0
0
else
iterator = ary.length
total = 1
unless iterator === 0
total *= ary.iterator
iterator -= 1
end
total
end
```
### Fizz Buzzer
```javascript
var fizzbuzzer = function(x){
@ -69,6 +233,20 @@ var fizzbuzzer = function(x){
}
}
```
```Ruby
def fizzbuzzer(num)
if (x % (3*5)) === 0
'fizzbuzz'
elsif (x % 3) === 0
'fizz'
elsif (x % 5) === 0
'buzz'
else
'funke'
end
end
```
###Nth Fibonacci
```javascript
var nthFibonacciNumber = function () {
@ -84,6 +262,30 @@ var nthFibonacciNumber = function () {
alert(fibs[fibs.length - 1] + " is the fibonacci number at position " + num);
};
```
```Ruby
def nth_fibonacci_number
puts 'which fibonacci number do you want?'
user_input = gets.chomp.to_i
fibs = [1, 1]
until (fibs.length >= user_input) #code block if NOT conditional
fibs << (fibs[fibs.length - 2] + fibs[fibs.length - 1])
end
fibs[user_input - 1]
end
def nth_fibonacci_number
puts 'which fibonacci number do you want?'
user_input = gets.chomp.to_i
fibs = [1, 1]
loop do
fibs << (fibs[fibs.length-2] + fibs[fibs.length-1])
break if (fibs.length >= user_input)
end
fibs[user_input - 1]
end
```
### Search Array
``` javascript
@ -97,9 +299,25 @@ var searchArray = function(array,value) {
return -1;
};
```
```Ruby
def search_array(array, value)
if array.include?(value)
true
else
-1
end
end
def search_array(array, value)
-1 unless array.include?(value)
true
end
end
```
### Palindrome
Write a method that checks whether or not a string is a palindrome.
Write a method that checks whether or not a string is a palindrome.
Here is the javascript:
``` javascript
var isPalindrome = function(str) {
@ -113,8 +331,16 @@ var isPalindrome = function(str) {
};
```
```Ruby
def is_palindrome(str)
false unless isPalindrome === isPalindrome.reverse
true
end
end
```
### hasDupes
Write a method that checks whether or not an array has any duplicates.
Write a method that checks whether or not an array has any duplicates.
Here is the javascript:
``` javascript
var hasDupes = function(arr){
@ -130,3 +356,11 @@ var hasDupes = function(arr){
return false;
};
```
```Ruby
def has_dupes(arr)
false unless arr.uniq.length === arr.length
true
end
end
```

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