new files

Task/Search-a-list/JavaScript/search-a-list-1.js

@@ -0,0 +1,16 @@
+var haystack = ['Zig', 'Zag', 'Wally', 'Ronald', 'Bush', 'Krusty', 'Charlie', 'Bush', 'Bozo']
+var needles = ['Bush', 'Washington']
+
+for (var i in needles) {
+    var found = false;
+    for (var j in haystack) {
+        if (haystack[j] == needles[i]) {
+            found = true;
+            break;
+        }
+    }
+    if (found)
+        print(needles[i] + " appears at index " + j + " in the haystack");
+    else
+        throw needles[i] + " does not appear in the haystack"
+}

Task/Search-a-list/JavaScript/search-a-list-2.js

@@ -0,0 +1,18 @@
+for each (var needle in needles) {
+    var idx = haystack.indexOf(needle);
+    if (idx == -1)
+        throw needle + " does not appear in the haystack"
+    else
+        print(needle + " appears at index " + idx + " in the haystack");
+}
+
+// extra credit
+
+for each (var elem in haystack) {
+    var first_idx = haystack.indexOf(elem);
+    var last_idx  = haystack.lastIndexOf(elem);
+    if (last_idx > first_idx) {
+        print(elem + " last appears at index " + last_idx + " in the haystack");
+        break
+    }
+}