从评论中添加的链接：Github
Issue的
// Due to browsers issue, it's impossible to detect without a timeout any changes of autofilled inputs// https://github.com/angular/angular.js/issues/1460// https://github.com/angular/angular.js/issues/1460#issuecomment-28662156// Could break future Angular releases (if use `compile()` instead of `link())// TODO support selectangular.module("app").config(["$provide", function($provide) { var inputDecoration = ["$delegate", "inputsWatcher", function($delegate, inputsWatcher) { var directive = $delegate[0]; var link = directive.link; function linkDecoration(scope, element, attrs, ngModel){ var handler; // By default model.$viewValue is equals to undefined if(attrs.type == "checkbox"){ inputsWatcher.registerInput(handler = function(){ var value = element[0].checked; // By default element is not checked if (value && ngModel.$viewValue !== value) { ngModel.$setViewValue(value); } }); }else if(attrs.type == "radio"){ inputsWatcher.registerInput(handler = function(){ var value = attrs.value; // By default element is not checked if (element[0].checked && ngModel.$viewValue !== value) { ngModel.$setViewValue(value); } }); }else{ inputsWatcher.registerInput(handler = function(){ var value = element.val(); // By default value is an empty string if ((ngModel.$viewValue !== undefined || value !== "") && ngModel.$viewValue !== value) { ngModel.$setViewValue(value); } }); } scope.$on("$destroy", function(){ inputsWatcher.unregisterInput(handler); }); // Exec original `link()` link.apply(this, [].slice.call(arguments, 0)); } // Decorate `link()` don't work for `inputDirective` (why?) // So use `compile()` instead directive.compile = function compile(element, attrs, transclude){ return linkDecoration; }; delete directive.link; return $delegate; }]; $provide.decorator("inputDirective", inputDecoration); $provide.decorator("textareaDirective", inputDecoration); //TODO decorate selectDirective (see binding "change" for `Single()` and `Multiple()`)}]).factory("inputsWatcher", ["$interval", "$rootScope", function($interval, $rootScope){ var INTERVAL_MS = 500; var promise; var handlers = []; function execHandlers(){ for(var i = 0, l = handlers.length; i < l; i++){ handlers[i](); } } return { registerInput: function registerInput(handler){ if(handlers.push(handler) == 1){ promise = $interval(execHandlers, INTERVAL_MS); } }, unregisterInput: function unregisterInput(handler){ handlers.splice(handlers.indexOf(handler), 1); if(handlers.length == 0){ $interval.cancel(promise); } } }}]);
