Window.Current.SizeChanged += WindowSizeChanged; }privatevoidWindowSizeChanged(objectsender, Windows.UI.Core.WindowSizeChangedEventArgs e){// Respond to size change}// Other code} LeakyApp 代码显示一个事件处理程序的三个部分:
})();// 使用:let singleA = mySingleton.getInstance();let singleB = mySingleton.getInstance();console.log( singleA.getRandomNumber() === singleB.getRandomNumber() );// truelet badSingleA = myBadSingleton.getInstance();let badSingleB = myBadSingleton.getInstance();console.log( badSingle...
letbasketModule=(function(){letbasket=[];functiondoSomethingPrivate(){//...}functiondoSomethingElsePrivate(){//...}return{addItem:function(values){basket.push(values);},getItemCount:function(){
defineProperties(book,{_year:{writable:false,value:2001},year:{get:function(){return_year},set:function(newValue){
1.window BOM的核心对象是window,他表示浏览器的一个实例。 全局变量不能通过delete操作符删除,而直接定义在window对象上的属性可以删除 2.窗口位相关属性 窗口位置(不同浏览器实现不一样,所以位置获取的不精确和统一) let leftPos = (typeof window.screenLeft == "number") ? window.screenLeft : window.scree...
false : true;}var element = document.getElementById('box');isVisible(element); // => false or true得到视窗大小var getViewportSize = function() { try { var doc = top.document.documentElement , g = (e = top.document.body) && top.document.clientWidth && top.document.clientHeight...
day = d.getDay(); return(s += x[day]); } (3)getHouse函数:返回日期的"小时"部分,值为0～23。例。 function TimeDemo(){ var d, s = "The current local time is: "; var c = ":"; d = new Date(); s += d.getHours() + c; ...
LongToSIZET function (Windows) Managing Trust Policy NavigationButtonTFXToken Element IGameStatistics::GetStatistic Method How To: Index Multiple Output Streams (Windows) Preview Handler Guidelines (Windows) Roaming User Profiles (Windows) Application User Model ID (AppID) Window Property Sample (Windows...
function pagination(page = 1, size = 10) { console.log(page, size); } 匿名函数 语法 (function (参数) { // 函数体 return 结果; }) 例 (function(a,b){ return a + b; }) 第一种场景:定义完毕后立刻调用 (function(a,b){ return a + b; })(1,2) ...
(Optional) Optimizing the App Package Size Integrating Location Kit Through HMS Toolkit Development Guide Developing the Fused Location Service Developing the Activity Identification Service Developing the Geofence Service Developing the High-precision Location Service (Optional) Developing the Log...