//在编译时,Angular使用$watch方法在对应的$scope上添加了监控,一旦$scope中的属性值发生了变化,这里就会跟着变($digest过程){{ value }} 三. 依赖注入 $injector自动注入:分析匹配参数名 --> fn.$injections = [] --> fn.call或者fn.apply传递需要注入的对象。 angular在每次应用启动时,初始化一个Injector...
报错:Error: [ngRepeat:dupes] Duplicates in a repeater are not allowed. Use 'track by' expression to specify unique keys. ng-Repeat不允许collection中存在两个相同Id的对象,对于数字或者字符串等基本数据类型来说,它的id就是它自身的值。因此数组中是不允许存在两个相同的数字的。为了规避这个错误,需要定...
I have only just perused the angular tutorial, but it appears to me that you are calling check at the wrong point. You are calling it on click of the checkbox, and it seems the value hasn't been selected yet. Call your check method before doing the submit (tie it to the submit but...
AngularJS is a framework used in building a client-side application, in terms of scalability you can’t just use just AngularJS to create a large-scale application as it doesn’t combine other frameworks, or even not support the writing of database queries, it is suitable for building singl...
AngularJS in patterns - this repository provides different look into AngularJS. It contains information where different design patterns are used inside the framework or any Angular application. - mgechev/angularjs-in-patterns
We have a big application implemented with AngularJS, which we are currently migrating to the latest Angular (19.2.2 at the moment of bug report creation). We have stumbled into the following error when trying to integrate downgraded component into AngularJS component: "TypeError: listenerFn is...
we upgraded the version of AngularJS in our VWO app from 1.2.x to 1.8.3 (last version of 1.x that Angular team left us with 🥲). This upgrade also was gradual and version-by-version as we had to go through the complete changelog of AngularJS. We were also at risk of depending ...
If we doesn’t use this directive first and directly try to write other directives, it gives an error. In other words, ng-app gives a space or block to write or use angular expressions and compile them with the help of AngularJS HTML compiler ($compile). So when we want to use this...
It is an easy technique, and anyone with experience in Angular and web technologies can use it. It is easy to maintain Using the built-in debugging tools of a browser. It offers a huge library of plugins to access APIs without using code. ...
Anybody who’s ever done a long, scrollable list of items in a web interface knows that this can absolutely kill performance of the whole page, let alone the scrolling itself. People blame tools like Angular’s `ng-repeat` for performance problems, but the problem isn’t the tools: it’...