Failed to set the 'value' property on 'HTMLInputElement': This input element解决办法

//Just to remove error inside the console.
//If error exists then onChange event is not fired.
var fileHook = {
get: function (elem) {
return this.value;
},
set: function (elem, value) {
return this.value = value;
}
}
$.valHooks["file"] = fileHook;