trim empty spaces before and after stack

Author: ZsharE

netstack.js

@@ -141,7 +141,7 @@
 
     netStack.prototype.init = function() {
         // Get the stacktrace, sanitize it, and split it into lines
-        var stacktrace = this.element.textContent,
+        var stacktrace = this.element.textContent.trim(), // trim empty spaces and lines before and after stacktrace
             sanitizedStack = stacktrace.replace(/</g, '&lt;').replace(/>/g, '&gt;'),
             lines = sanitizedStack.split('\n'),
             lang = '',
@@ -201,9 +201,6 @@
             var langContor = 0;
         }
 
-        // Trim empty lines
-        lines = lines.filter(line => line.trim() !== '');
-
         for (var i = 0; i < lines.length; ++i) {
             var li = lines[i],
                 hli = new RegExp('(\\S*)' + selectedLanguage.at + ' .*\\)'),