save file

Author: javascript-2020

utils/editors/html/code-explorer/v1.0/code-explorer-v1.0.html

@@ -295,7 +295,7 @@
 
               var start       = 0;
               var end         = i;
-              var substring   = str.slice(start,end);
+              var substring   = txt.slice(start,end);
               var newlines    = substring.match(/\r\n|\n|\r/g);
               var count       = newlines ? newlines.length : 0;
               return count;