set property for "muted" in v-bind (fix #2042)

Author: yyx990803

src/directives/public/bind.js

@@ -5,13 +5,12 @@ import vStyle from '../internal/style'
 const xlinkNS = 'http://www.w3.org/1999/xlink'
 const xlinkRE = /^xlink:/
 
-// these input element attributes should also set their
-// corresponding properties
-const inputProps = {
-  value: 1,
-  checked: 1,
-  selected: 1
-}
+// check for attributes that prohibit interpolations
+const disallowedInterpAttrRE = /^v-|^:|^@|^(is|transition|transition-mode|debounce|track-by|stagger|enter-stagger|leave-stagger)$/
+
+// these attributes should also set their corresponding properties
+// because they only affect the initial state of the element
+const attrWithPropsRE = /^(value|checked|selected|muted)$/
 
 // these attributes should set a hidden property for
 // binding v-model to object values
@@ -21,9 +20,6 @@ const modelProps = {
   'false-value': '_falseValue'
 }
 
-// check for attributes that prohibit interpolations
-const disallowedInterpAttrRE = /^v-|^:|^@|^(is|transition|transition-mode|debounce|track-by|stagger|enter-stagger|leave-stagger)$/
-
 export default {
 
   priority: 850,
@@ -90,7 +86,11 @@ export default {
   handleObject: vStyle.handleObject,
 
   handleSingle (attr, value) {
-    if (inputProps[attr] && attr in this.el) {
+    if (
+      !this.descriptor.interp &&
+      attrWithPropsRE.test(attr) &&
+      attr in this.el
+    ) {
       this.el[attr] = attr === 'value'
         ? value == null // IE9 will set input.value to "null" for null...
           ? ''

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

@@ -7,7 +7,10 @@ describe('v-bind', function () {
   var el, dir
   beforeEach(function () {
     el = document.createElement('div')
-    dir = {el: el}
+    dir = {
+      el: el,
+      descriptor: {}
+    }
     _.extend(dir, def)
   })