摘要:
// find nearest parent element var closest = function closest(el, fn) { return el && (fn(el) ? el : closest(el.parentNode, fn)); }; var clickedListIte 阅读全文
摘要:
<script type="text/javascript"> class Person { constructor(name) { this.name = name; }; printName() { alert(this.name); } } var b = function(name) { t 阅读全文