angularjs | 易学教程

Testing angular service with $httpBackend with async/await using jasmin

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问题 I have previously successfully tested an angular controller that uses ES7 async/await syntax with jasmine - async updateGridAsync() { const paging = angular.copy(this.gridData.getServerCallObj()); } try { const model = await this.service.getAsync(paging); this._$rootScope.$apply(); } catch (e){this._notification.error(this._$rootScope.lang.notifications.unexpectedError); } } it('updateGridAsync() should update the gridData when succeed', async (done) => { expect(ctrl.gridData.totalItems)

How to use JavaScript inside {{}} AngularJS

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问题 I know that {{}} can interpret a expression but when I try to use javascript in it, it does not work like {{"a/b/c/d/".split('/').filter(function(n){return n}).reverse()[0]}} I need to use this to get slug value from url. Please suggest how to achieve this with angularjs, the source of the url is from external feed, hence I have very limited control on this. 回答1: Full JS is not supported, and even it were, it would be a bad practice. I recommend you to put this at least on a scope function in

angular $http.post changing date to UTC date

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问题 I was trying to post some data to my REST api which has date. Now while I debug, my date parameter is a JS Date object with correct date in my timezone: Tue Apr 04 2017 00:00:00 GMT+0530 after it leaves my code, and I see the same in network tab, it is converted to UTC date: "2017-04-03T18:30:00.000Z" I searched for the solution according to which I need to include locale file of angular in my index.html which I did: <script type="text/javascript" src="resources/js/angular/angular-locale_en

AngularJS Upload and Post Multiple Files

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问题 So ultimately, what I'm doing is trying to upload and post multiple files to a Django backend using AngularJS. I can post a single file, but it seems like when a FileList object is put in the $http.post data field, the backend no longer detects any files in the POST request. Here's what the html looks like: <form enctype="multipart/form-data" action="upload" method="POST"> <div class="form-group"> <span class="btn btn-info btn-file"> <i class="glyphicon glyphicon-file"></i> Browse <input

Vue3.0源码解析来一篇

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Vue.js 3.0 "One Piece" 已经正式发布，相比之前速度更快、体积更小、更易于维护。与2.0相比， Vue3.0的代码组织更为清晰合理。在项目的packages目录下分为了好几个模块。比如用于编译模板的 compiler-core模块，用于运行时的 runtime-core模块和 runtime-dom模块，用于服务端渲染的 server-renderer 模块等等。当然，一定会有同学问，Vue2.0我已经很精通了，为什么还要学3.0？首先，Vue3.0的源码中有很多问题的解决方案，如果熟练掌握这些方案，将会更有利于我们今后的工作。其次，学习Vue3.0能够提升自己解读源码的能力，掌握解读源码的深层规律，有利于后期学习其他框架或接手新的项目开发。作为一个合格的前端开发程序员，如果你想要更上一个台阶，拿到更高的薪水，学习的速度一定要赶上技术更新的速度。所以，Vue3.0的进阶学习十分必要。其实从去年下半年Vue.js 3.0的alpha版本出来后，网络上就铺天盖地的出现一些解析源码类的文章，不过大部分文章都浮于表面，能够带来的帮助也十分有限，不能进行深入分析。而且vue 3.0用了大量的 Reflect/Proxy/Symbol/Map/Set，你需要确保这些api你都了如指掌。因此，对于拥有vue基础的同学们来说

`$cookies.put()` takes 30 seconds to save the cookie on disk on Android

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问题 Context: We have a cordova application loading an online website. (We basically use cordova for the plugins) We store a cookie using $cookies.put() It works fine in desktop browsers and on iOS (as long we use expiration on the cookie) Problem: On Android if the user kill the application with 30 seconds after $cookies.put() is called the cookie will be gone on the next reboot. If the user wait more than 30 seconds (like 35 seconds or more) everything works fine. Question: How can we force the

How to validate a form when the submit button is outside of this form, with angularJs?

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问题 I have a form element created with AngularJS with a submit button within it and I would like to put this button outside of this form. How can I do that with Angular and have my form still validated? e.g main html code: <div class="sd-chk-steps" ng-show="!step_03" ng-hide="step_03">  <div id="sd-p-chk-1" class="large-8 columns sd-p-chk"> <div class="cover step_complete" ng-show="step_01" ng-hide="!step_01"> </div> <sd-panel-address >  </sd-panel-address

Angular 2.0: Migration path from Angular 1.x

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问题 I'm not looking for an opinion - just a solid migration strategy. We started to design a new project that designated to be built with Angular as each of our previous, the importance of this project is very high and it's going to live and maintained for at least 3-4 years. Angular 2.0 is coming in the end of 2015 and it seems like everything is about to change, $scope is out, directives are out and the whole DI concept is about to change. Is there a migration path/strategy to be considered in

todomvc-app

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1、HTML 1 <! doctype html > 2 < html lang ="en" > 3 < head > 4 < meta charset ="utf-8" > 5 < meta name ="viewport" content ="width=device-width, initial-scale=1" > 6 < title > Template • TodoMVC </ title > 7 < link rel ="stylesheet" href ="node_modules/todomvc-app-css/index.css" > 8  9 < link rel ="stylesheet" href ="css/app.css" > 10 </ head > 11 < body ng-app ="MyTodoMvc" > 12 < section class ="todoapp" ng-controller ="MainController" > 13 < header class ="header" > 14 < h1 > todos </ h1 > 15 < form ng-submit ="add()" > 16 < input class =

convert amount in words in angularjs

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问题 I need to convert amount in words. For example, the amount I will get it from service is 9876, I need to display in a table "Nine Thousand Eight Hundred and Seventy Six" in a table. I need to do this using angularjs. Please help me how can I do this. JSFIDDLE function convertNumberToWords(amount) { var words = new Array(); words[0] = ''; words[1] = 'One'; words[2] = 'Two'; words[3] = 'Three'; words[4] = 'Four'; words[5] = 'Five'; words[6] = 'Six'; words[7] = 'Seven'; words[8] = 'Eight'; words