You can simply use the length property to select or get the last item in an array in JavaScript. This is the fastest and most cross-browser compatible solution.Let's take a look at an example to understand how i
getCurrItem = function() { return obj[current] } return { next: next, isDone: isDone, getCurrItem: getCurrItem } } 迭代器模式一种相对简单的模式,简单到很多时候都不认为它是一种设计模式,目前的绝大部分语言都内置了迭代器。 迭代器模式应用 这里已文件为例,在不同的浏览器环境下,选择的上传...
You can activate individual tabs in several ways: Copy $('#myTabs a[href="#profile"]').tab('show') // Select tab by name $('#myTabs a:first').tab('show') // Select first tab $('#myTabs a:last').tab('show') // Select last tab $('#myTabs li:eq(2) a').tab('show...
};ObserverList.prototype.Count =function(){returnthis.observerList.length; };ObserverList.prototype.Get =function(index ){if( index > -1 && index <this.observerList.length ){returnthis.observerList[ index ]; } };ObserverList.prototype.Insert =function(obj, index ){let pointer = -1;if( i...
JavaScript是一种解释执行的脚本语言,是一种动态类型、弱类型、基于原型的语言,内置支持类型,它遵循ECMAScript标准。它的解释器被称为JavaScript引擎,为浏览器的一部分,广泛用于客户端的脚本语言,主要用来给HTML增加动态功能。 几乎所有主流的语言都可以编译为JavaScript,进而能够在所有平台上的浏览器中执行,这也体现了Java...
You can activate individual tabs in several ways: $('#myTabs a[href="#profile"]').tab('show') // Select tab by name $('#myTabs a:first').tab('show') // Select first tab $('#myTabs a:last').tab('show') // Select last tab $('#myTabs li:eq(2) a').tab('show') /...
Get last day of month get last item in an arraylist get last item in an list in vb.net Get latest added id using Dapper - Insert query Get List by IDs Get method name that generated the exception? Get MimeType of Bitmap object Get Multiple item counts from a single LINQ Query Get ...
LastReturns last item in list. Range (static)Creates list of numbers, within a specified range.start,length AddAdds element to list.item AddRangeAdds each item in given list.items RemoveAtRemoves item from list by index.index RemoveRemoves item from list.item ...
You can activate individual tabs in several ways: Copy $('#myTabs a[href="#profile"]').tab('show') // Select tab by name $('#myTabs a:first').tab('show') // Select first tab $('#myTabs a:last').tab('show') // Select last tab $('#myTabs li:eq(2) a').tab('show...
1、loadImage(imglist)//预加载图片 2、changePosition(ele,positions,imageUrl)//通过改变元素的background-position实现动画 3、changeSrc(ele,imglist)//通过改变image元素的src 4、enterFrame(callback)//每一帧动画执行的函数,相当于用户可以自定义每一帧动画的callback ...