The missingtrackByfunction in*foroften causesperformance woes. But with@for, this will be no more the case. What sets apart@foris the fact thattrackis mandatory to ensure fastdiffing performance. And the best part is it’s a breeze to use! You no longer need to add a method in your c...
{ hasPrimaryModifier } from "diagram-js/lib/util/Mouse"; /** * A provider for BPMN 2.0 elements context pad */ export default function ContextPadProvider( config, injector, eventBus, contextPad, modeling, elementFactory, connect, create, popupMenu, canvas, rules, translate ) { config = ...
NgForOf 指令除了 index 和 data,它还包含了许多常用的 variables,比如: count (总数)、first (是不是第一条, boolean)、last、odd (是不是单数)、even。 TrackByFunction trackByFunction 是用来帮助 NgForOf 指令内部做优化的,我们需要提供一个识别对象的方式。 export class AppComponent { people: Person[]=...
| [](https://github.com/angular/angular/commit/6c582525217197dd777d5bb9e62d6aaa2c70a996) | compilation error when for loop block expression contains new line (#52447) | | [ {}, isEqual); 使用过angular的会经常这上面这样的代码,俗称“手动”添加监听,其他的一些都是通过插值或者directive自动地添加监听,但是原理上都一样。 1.2 源码分析 代码语言:javascript 代码运行次数:0 运行 AI代码解释 function(watchExp, listener, objectEquality) { var scope =...
function tabController(data, $scope) {Copy var tabsArray = []; for (var i = 0; i < data.length; i++) { tabsArray.push( { 'title':"Customer ID: "+ data[i].CustomerID, 'content': data[i].CustomerCode + " The data you are seeing here is for the customer wit...
Inline Auto-Complete in jqxInput: Introduced inline auto-complete for smoother and more intuitive text entry. Content Security Policy (CSP) Enhancement: Removed the use of eval() and new Function() calls across components to comply with modern security best practices. ...
执行start()的顺序不代表线程执行的顺序 import org.omg.CORBA.PUBLIC_MEMBER; /** * Created by ...
Guards can now return RedirectCommand for redirects in addition to UrlTree. Code which expects only boolean or UrlTree values in Route types will need to be adjusted. This change allows Route.redirectTo to be a function in addition to the previous string. Code which expects redirectTo to only ...