textarea自动高度 lt;DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">lt;html>lt;head>lt;TITLE>textarea宽度、高度自动适应处理方法<TITLE...
创建隐藏的 Textarea 标签&xff0c;并将文本放入其中 let textarea&61;document.createElement(&39;textarea&39;textarea.style.position&61;39;absolute&39;textarea.style.top&61;39;0&39;textarea.style.left&61;39...
public class TextArea extends mx.controls.TextArea { public function TextArea(){ super();addEventListener(KeyboardEvent.KEY_DOWN,handleKeyDown);} private function handleKeyDown(evt:...