shinnn · March 17, 2014 20:21 · Mar 17, 2014
diff --git a/array-write-out.js b/array-write-out.js
@@ -0,0 +1,30 @@
+(function() {
+  'use strict';
+
+  function arrayWriteOut(arr, process) {
+    if (!process) {
+      process = function(str) {
+        return str;
+      };
+    }
+
+    var result = '';
+    for (var i=0; i < arr.length; i++) {
+      if (i > 0) {
+        if (i < arr.length - 1) {
+          result += ', ';
+        } else {
+          result += ' and ';
+        }
+      }
+      result += process.call(null, arr[i], i);
+    }
+    return result;
+  }
+
+  if (typeof module !== 'undefined' && module.exports) {
+    module.exports = arrayWriteOut;
+  } else {
+    window.arrayWriteOut = arrayWriteOut;
+  }
+}());
diff --git a/example.js b/example.js
@@ -0,0 +1,6 @@
+function doubleQuote(str) {
+  return '"' + str + '"';
+}
+
+arrayWriteOut(['Apple', 'Orange', 'Blueberry'], doubleQuote);
+//=> "Apple", "Orange" and "Blueberry"