add removeFromArray

04-removeFromArray/README.md

@@ -0,0 +1,7 @@
+# Exercise 04 - removeFromArray
+
+Implement a function that takes an array and some other arguments then removes the other arguments from that array:
+
+```javascript
+remove([1,2,3,4], 3) // should remove 3 and return [1,2,4]
+```

04-removeFromArray/removeFromArray.js

@@ -0,0 +1,5 @@
+var removeFromArray = function() {
+
+}
+
+module.exports = removeFromArray

04-removeFromArray/removeFromArray.spec.js

@@ -0,0 +1,22 @@
+var removeFromArray = require('./removeFromArray')
+
+describe('removeFromArray', function() {
+  it('removes a single value', function() {
+    expect(removeFromArray([1, 2, 3, 4], 3)).toEqual([1, 2, 4]);
+  });
+  xit('removes multiple values', function() {
+    expect(removeFromArray([1, 2, 3, 4], 3, 2)).toEqual([1, 4]);
+  });
+  xit('ignores non present values', function() {
+    expect(removeFromArray([1, 2, 3, 4], 7, "tacos")).toEqual([1, 2, 3, 4]);
+  });
+  xit('ignores non present values, but still works', function() {
+    expect(removeFromArray([1, 2, 3, 4], 7, 2)).toEqual([1, 3, 4]);
+  });
+  xit('can remove all values', function() {
+    expect(removeFromArray([1, 2, 3, 4], 1, 2, 3, 4)).toEqual([]);
+  });
+  xit('works with strings', function() {
+    expect(removeFromArray(["hey", 2, 3, "ho"], "hey", 3)).toEqual([2, "ho"]);
+  });
+});

README.md

@@ -19,8 +19,6 @@ The first exercise, `helloWorld` will walk you through the process in more depth
 1. Caesar Cipher
 1. Palindromes
 1. Pangrams
-1. Remove specific elements from array: remove([1,2,3,4], 3) <= remove 3 from that array
-1. repeat string given number of times
 1. sum numbers in range: sumAll(1,4) (sums all numbers between and including 1 and 4)
 1. pig latin
 1. fibonacci