Simplify 53bc4b1

codemirror · May 4, 2013 · 64113ec · 64113ec
1 parent 53bc4b1
commit 64113ec
Showing 1 changed file with 3 additions and 5 deletions.
diff --git a/addon/runmode/runmode.js b/addon/runmode/runmode.js
@@ -1,7 +1,7 @@
 CodeMirror.runMode = function(string, modespec, callback, options) {
   var mode = CodeMirror.getMode(CodeMirror.defaults, modespec);
-  var isIe8OrEarlier = /\bMSIE\s(\d+)/.exec(navigator.userAgent);
-  isIe8OrEarlier = isIe8OrEarlier && +isIe8OrEarlier[1] <= 8;
+  var ie = /MSIE \d/.test(navigator.userAgent);
+  var ie_lt9 = ie && (document.documentMode == null || document.documentMode < 9);
 
   if (callback.nodeType == 1) {
     var tabSize = (options && options.tabSize) || CodeMirror.defaults.tabSize;
@@ -11,9 +11,7 @@ CodeMirror.runMode = function(string, modespec, callback, options) {
       if (text == "\n") {
         // Emitting LF or CRLF on IE8 or earlier results in an incorrect display.
         // Emitting a carriage return makes everything ok.
-        var newLine = isIe8OrEarlier ? '\r' : text;
-        var newLineSpan = node.appendChild(document.createElement("span"));
-        newLineSpan.appendChild( document.createTextNode(newLine));
+        node.appendChild(document.createTextNode(ie_lt9 ? '\r' : text));
         col = 0;
         return;
       }