摘要：
原文： https://www.sitepoint.com/fabric-js-advanced/ 结果如下： We’ve covered most of the basics of Fabric in the first and second parts of this series. In th 阅读全文
摘要：
ou can pass the $event object as an argument when calling the function. The $event object contains the browser's event object: Example <div ng-app="my 阅读全文
摘要：
Event reference: https://developer.mozilla.org/en-US/docs/Web/Events http://w3c.github.io/html/webappapis.html#events 原文： https://developer.mozilla.or 阅读全文
摘要：
The only thing I can think of is that event is in fact window.event and it makes itself available when some event dispatches and Event...but that woul 阅读全文
摘要：
原文： https://www.w3schools.com/js/js_best_practices.asp Avoid global variables, avoid new, avoid ==, avoid eval() Avoid Global Variables Minimize the u 阅读全文
摘要：
Propagation At this point, we should ask an important question—if an element and one of its ancestors have a handler on the same event, which handler 阅读全文