HTML事件处理程序是如何工作的？
原文英文，约2000词，阅读约需8分钟。发表于：。HTML event handlers are those onxxx attributes and properties many of us are used to, but do you know how they actually work? If you're writing custom elements and would like them to have such...
HTML事件处理程序以“on”开头，通常与JS函数关联。自定义元素的事件处理程序无法完全模拟原生事件，存在全球可用性和内容安全策略的限制。实现时需注意命名冲突和返回值等细节。
