什么是事件委托？它的优点是什么？
题目类型: 行为面试题
这是一道行为面试题，常见于澳洲IT公司面试中。
难度: medium
参考答案摘要
事件委托是将事件监听器绑定到父元素上，通过事件冒泡机制来捕捉子元素的事件。这种方式可以减少内存占用，避免频繁地给每个子元素绑定事件。
本题提供 STAR 原则详细解答和技术解析，登录匠人学院学习中心即可查看完整答案。
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