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03-javascript基础中的32节-事件委托中的最后一串代码： // 获取父节点，并为它注册click事件。 false 表示事件在冒泡阶段触发（默认） document.getElementById("parent-list").addEventListener("click", function (e) { // event.target 代表的是子元素。toUpperCase 指的是转换为大写字母 if (e.target && e.target.nodeName.toUpperCase == "LI") { // 真正的处理过程在这里 console.log("List item ", e.target.id, " was clicked!"); } }, false); 中的toUpperCase后应加括号，否则js事件绑定失败
// 获取父节点，并为它注册click事件。 false 表示事件在冒泡阶段触发（默认） document.getElementById("parent-list").addEventListener("click", function (e) { // event.target 代表的是子元素。toUpperCase 指的是转换为大写字母 if (e.target && e.target.nodeName.toUpperCase == "LI") { // 真正的处理过程在这里 console.log("List item ", e.target.id, " was clicked!"); } }, false);
The text was updated successfully, but these errors were encountered:
e560734
@ybbbzZ 感谢指正，已修复。国庆节快乐~
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fix #59: 将 toUpperCase 改为 toUpperCase()
f8bfdf0
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03-javascript基础中的32节-事件委托中的最后一串代码：
// 获取父节点，并为它注册click事件。 false 表示事件在冒泡阶段触发（默认） document.getElementById("parent-list").addEventListener("click", function (e) { // event.target 代表的是子元素。toUpperCase 指的是转换为大写字母 if (e.target && e.target.nodeName.toUpperCase == "LI") { // 真正的处理过程在这里 console.log("List item ", e.target.id, " was clicked!"); } }, false);中的toUpperCase后应加括号，否则js事件绑定失败
The text was updated successfully, but these errors were encountered: