欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页

javascript获取选中的文本

程序员文章站 2023-12-22 19:26:34
...
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
	<head>
		<base href="<%=basePath%>">

		<title>My JSP 'index.jsp' starting page</title>
		<meta http-equiv="pragma" content="no-cache">
		<meta http-equiv="cache-control" content="no-cache">
		<meta http-equiv="expires" content="0">
		<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
		<meta http-equiv="description" content="This is my page">
	</head>

	<body>
		<textarea rows="30" cols="10" name="" id="test"></textarea>
		<div>
		 javascript如何获取鼠标拖黑的文字?也就是我要写个文本编辑器,我在文本域写了”我是个好人”这几个字,然后我用鼠标拖黑选择这”我是个好人”字中的”个好”,然后要把”个好”变黑,,需要怎样通过javascript才能获取”个好”这两个字?
		</div>
	</body>
			<script type="text/javascript">
function getSelectText() {
	var txt = null;
	if (window.getSelection) { // mozilla FF
		txt = window.getSelection();
	} else if (document.getSelection) {
		txt = document.getSelection();
	} else if (document.selection) { //IE
		txt = document.selection.createRange().text;
	}
	return txt;
}
//注意,js代码一定要在id为test的元素下面
var obj = document.getElementById("test");
document.onmouseup = function() {
	obj.value = getSelectText();
}
</script>
</html>

上一篇:

下一篇: