移动webapp开发必备

移动web app开发必备 - 异步队列 Deferred

背景移动web app开发,异步代码是时常的事,比如有常见的异步操作： Ajax（XMLHttpRequest） Image Tag，Script Tag，iframe（原理类似） setTimeout/setInterval CSS3 Transition/Animation HTML5 Web Database postMessage Web Workers Web Sockets an...

移动web app开发必备 - zepto事件问题

问题描述: 项目在祖先元素上绑定了 touchstart,touchmove,touchend事件,用来处理全局性的事件,比如滑动翻页正常状态下：用户在子元素上有交互动作时,默认状态下都是会冒泡到祖先元素响应特定情况下：子元素单独绑定了事件特性情况下需要阻止全局事件常规的做法就是stopPropagation阻止即可但如果子元素绑定的是 click,touchmove,touc...

移动web app开发必备 - Deferred 源码分析

在分析Deferred之前我觉得还是有必要把老套的设计模式给搬出来,便于理解源码! 观察者模式观察者模式( 又叫发布者-订阅者模式 )应该是最常用的模式之一. 它定义了一种一对多的关系让多个观察者对象同时监听某一个主题对象，这个主题对象的状态发生变化时就会通知所有的观察者对象，使得它们能够自动更新自己。使用观察者模式的好处：支持简单的广播通信，自动通知所有已经订阅过的对象。页面载入后...

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