Simplify function slightly

brettz9 · brettz9 · commit bcc8af28abd5 · 2012-05-15T17:08:12.000+08:00
diff --git a/functions/strings/substr_count.js b/functions/strings/substr_count.js
@@ -1,29 +1,28 @@
-function substr_count (haystack, needle, offset, length) {
-    // http://kevin.vanzonneveld.net
-    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
-    // +   bugfixed by: Onno Marsman
-    // *     example 1: substr_count('Kevin van Zonneveld', 'e');
-    // *     returns 1: 3
-    // *     example 2: substr_count('Kevin van Zonneveld', 'K', 1);
-    // *     returns 2: 0
-    // *     example 3: substr_count('Kevin van Zonneveld', 'Z', 0, 10);
-    // *     returns 3: false
-
-    var pos = 0, cnt = 0;
-
-    haystack += '';
-    needle += '';
-    if (isNaN(offset)) {offset = 0;}
-    if (isNaN(length)) {length = 0;}
-    offset--;
-
-    while ((offset = haystack.indexOf(needle, offset+1)) != -1){
-        if (length > 0 && (offset+needle.length) > length){
-            return false;
-        } else{
-            cnt++;
-        }
-    }
-
-    return cnt;
+function substr_count (haystack, needle, offset, length) {
+    // http://kevin.vanzonneveld.net
+    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
+    // +   bugfixed by: Onno Marsman
+    // *     example 1: substr_count('Kevin van Zonneveld', 'e');
+    // *     returns 1: 3
+    // *     example 2: substr_count('Kevin van Zonneveld', 'K', 1);
+    // *     returns 2: 0
+    // *     example 3: substr_count('Kevin van Zonneveld', 'Z', 0, 10);
+    // *     returns 3: false
+
+    var pos = 0, cnt = 0;
+
+    haystack += '';
+    needle += '';
+    if (isNaN(offset)) {offset = 0;}
+    if (isNaN(length)) {length = 0;}
+    offset--;
+
+    while ((offset = haystack.indexOf(needle, offset+1)) != -1){
+        if (length > 0 && (offset+needle.length) > length){
+            return false;
+        }
+        cnt++;
+    }
+
+    return cnt;
 }
