diff --git a/src/mixins/itext_behavior.mixin.js b/src/mixins/itext_behavior.mixin.js
index 1e790760ffb..44b9870fb37 100644
--- a/src/mixins/itext_behavior.mixin.js
+++ b/src/mixins/itext_behavior.mixin.js
@@ -703,35 +703,35 @@
           lineIndex      = cursorLocation.lineIndex,
           charIndex      = cursorLocation.charIndex;
 
-      if (isBeginningOfLine) {
+      this._removeStyleObject(isBeginningOfLine, cursorLocation, lineIndex, charIndex);
+    },
+
+    _getTextOnPreviousLine: function(lIndex) {
+      return this._textLines[lIndex - 1];
+    },
+
+    _removeStyleObject: function(isBeginningOfLine, cursorLocation, lineIndex, charIndex) {
 
-        var textOnPreviousLine     = this._textLines[lineIndex - 1],
-            newCharIndexOnPrevLine = textOnPreviousLine
-              ? textOnPreviousLine.length
-              : 0;
+      if (isBeginningOfLine) {
+        var textOnPreviousLine     = this._getTextOnPreviousLine(cursorLocation.lineIndex),
+            newCharIndexOnPrevLine = textOnPreviousLine ? textOnPreviousLine.length : 0;
 
         if (!this.styles[lineIndex - 1]) {
           this.styles[lineIndex - 1] = {};
         }
-
         for (charIndex in this.styles[lineIndex]) {
           this.styles[lineIndex - 1][parseInt(charIndex, 10) + newCharIndexOnPrevLine]
             = this.styles[lineIndex][charIndex];
         }
-
-        this.shiftLineStyles(lineIndex, -1);
-
+        this.shiftLineStyles(cursorLocation.lineIndex, -1);
       }
       else {
         var currentLineStyles = this.styles[lineIndex];
 
         if (currentLineStyles) {
           delete currentLineStyles[charIndex];
-          //console.log('deleting', lineIndex, charIndex + offset);
         }
-
         var currentLineStylesCloned = clone(currentLineStyles);
-
         // shift all styles by 1 backwards
         for (var i in currentLineStylesCloned) {
           var numericIndex = parseInt(i, 10);
diff --git a/src/mixins/itext_key_behavior.mixin.js b/src/mixins/itext_key_behavior.mixin.js
index e5d33fc616f..cb4a4ce3781 100644
--- a/src/mixins/itext_key_behavior.mixin.js
+++ b/src/mixins/itext_key_behavior.mixin.js
@@ -81,14 +81,14 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
    * @param {Event} e Event object
    */
   onInput: function(e) {
-    if (!this.isEditing || this._cancelOnInput) {
-      this._cancelOnInput = false;
+    if (!this.isEditing) {
       return;
     }
     var offset = this.selectionStart || 0,
+        offsetEnd = this.selectionEnd || 0,
         textLength = this.text.length,
         newTextLength = this.hiddenTextarea.value.length,
-        diff = newTextLength - textLength,
+        diff = newTextLength - textLength + offsetEnd - offset,
         charsToInsert = this.hiddenTextarea.value.slice(offset, offset + diff);
     this.insertChars(charsToInsert);
     e.stopPropagation();
@@ -149,7 +149,8 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
     if (copiedText) {
       this.insertChars(copiedText, useCopiedStyle);
     }
-    this._cancelOnInput = true;
+    e.stopImmediatePropagation();
+    e.preventDefault();
   },
 
   /**
diff --git a/src/mixins/textbox_behavior.mixin.js b/src/mixins/textbox_behavior.mixin.js
index 2b9d934bcb9..e8d8bc61769 100644
--- a/src/mixins/textbox_behavior.mixin.js
+++ b/src/mixins/textbox_behavior.mixin.js
@@ -142,42 +142,7 @@
           map            = this._styleMap[cursorLocation.lineIndex],
           lineIndex      = map.line,
           charIndex      = map.offset + cursorLocation.charIndex;
-
-      if (isBeginningOfLine) {
-        var textOnPreviousLine     = this._getTextOnPreviousLine(cursorLocation.lineIndex),
-            newCharIndexOnPrevLine = textOnPreviousLine ? textOnPreviousLine.length : 0;
-
-        if (!this.styles[lineIndex - 1]) {
-          this.styles[lineIndex - 1] = {};
-        }
-
-        for (charIndex in this.styles[lineIndex]) {
-          this.styles[lineIndex - 1][parseInt(charIndex, 10) + newCharIndexOnPrevLine]
-            = this.styles[lineIndex][charIndex];
-        }
-
-        this.shiftLineStyles(cursorLocation.lineIndex, -1);
-
-      }
-      else {
-        var currentLineStyles = this.styles[lineIndex];
-
-        if (currentLineStyles) {
-          delete currentLineStyles[charIndex];
-          //console.log('deleting', lineIndex, charIndex + offset);
-        }
-
-        var currentLineStylesCloned = clone(currentLineStyles);
-
-        // shift all styles by 1 backwards
-        for (var i in currentLineStylesCloned) {
-          var numericIndex = parseInt(i, 10);
-          if (numericIndex >= charIndex && numericIndex !== 0) {
-            currentLineStyles[numericIndex - 1] = currentLineStylesCloned[numericIndex];
-            delete currentLineStyles[numericIndex];
-          }
-        }
-      }
+      this._removeStyleObject(isBeginningOfLine, cursorLocation, lineIndex, charIndex);
     }
   });
 })();