194: Refactoring/Review

example/file_input.html

@@ -51,8 +51,8 @@
                     <option value="upc">UPC</option>
                     <option value="upc_e">UPC-E</option>
                     <option value="codabar">Codabar</option>
-                    <option value="i2of5">ITF</option>
+                    <option value="i2of5">Interleaved 2 of 5</option>
-                    <option value="2of5">2of5</option>
+                    <option value="2of5">Standard 2 of 5</option>
                 </select>
             </label>
             <label>

src/reader/2of5_reader.js

@@ -24,7 +24,6 @@ var N = 1,
         ]},
         SINGLE_CODE_ERROR: {value: 0.78, writable: true},
         AVG_CODE_ERROR: {value: 0.30, writable: true},
-        MAX_CORRECTION_FACTOR: {value: 5},
         FORMAT: {value: "2of5"}
     };
 
@@ -47,7 +46,6 @@ TwoOfFiveReader.prototype._findPattern = function(pattern, offset, isWhite, tryH
         error,
         j,
         sum,
-        normalized,
         epsilon = self.AVG_CODE_ERROR;
 
     isWhite = isWhite || false;
@@ -242,8 +240,7 @@ TwoOfFiveReader.prototype._decode = function() {
     if (!code) {
         return null;
     }
-    if (result.length % 2 !== 0 ||
+    if (result.length < 5) {
-            result.length < 6) {
         return null;
     }