Prevent setting unchanged value of input on blur (vuejs#3077)

posva · yyx990803 · commit ab675781fbff · 2016-06-14T15:32:07.000-04:00
Fix vuejs#3029 Force setting the value actually resets selectionStart and selectionEnd No test is added because you cannot simulate the bug by using input.blur()
diff --git a/src/directives/public/model/text.js b/src/directives/public/model/text.js
@@ -129,7 +129,10 @@ export default {
   },
 
   update (value) {
-    this.el.value = _toString(value)
+    // #3029 only update when the value changes. This prevent
+    // browsers from overwriting values like selectionStart
+    value = _toString(value)
+    if (value !== this.el.value) this.el.value = value
   },
 
   unbind () {
