force v-model sync on change instead of blur (fix #2400)

Author: yyx990803

src/directives/public/model/text.js

@@ -53,10 +53,6 @@ export default {
       })
       this.on('blur', function () {
         self.focused = false
-        // do not sync value after fragment removal (#2017)
-        if (!self._frag || self._frag.inserted) {
-          self.rawListener()
-        }
       })
     }
 
@@ -96,12 +92,12 @@ export default {
     this.hasjQuery = typeof jQuery === 'function'
     if (this.hasjQuery) {
       const method = jQuery.fn.on ? 'on' : 'bind'
-      jQuery(el)[method]('change', this.listener)
+      jQuery(el)[method]('change', this.rawListener)
       if (!lazy) {
         jQuery(el)[method]('input', this.listener)
       }
     } else {
-      this.on('change', this.listener)
+      this.on('change', this.rawListener)
       if (!lazy) {
         this.on('input', this.listener)
       }

test/unit/specs/directives/public/model_spec.js

@@ -499,6 +499,7 @@ describe('v-model', function () {
     _.nextTick(function () {
       expect(el.firstChild.value).toBe('cc')
       expect(vm.test).toBe('cc')
+      trigger(el.firstChild, 'change')
       trigger(el.firstChild, 'blur')
       _.nextTick(function () {
         expect(el.firstChild.value).toBe('CC')
@@ -529,6 +530,7 @@ describe('v-model', function () {
     _.nextTick(function () {
       expect(el.firstChild.value).toBe('cc')
       expect(vm.test).toBe('CC')
+      trigger(el.firstChild, 'change')
       trigger(el.firstChild, 'blur')
       _.nextTick(function () {
         expect(el.firstChild.value).toBe('CC')
@@ -712,7 +714,8 @@ describe('v-model', function () {
       expect(vm.test).toBe('d')
       setTimeout(function () {
         el.firstChild.value = 'e'
-        // blur should trigger change instantly without debounce
+        // change should trigger change instantly without debounce
+        trigger(el.firstChild, 'change')
         trigger(el.firstChild, 'blur')
         _.nextTick(function () {
           expect(spy.calls.count()).toBe(2)