<!DOCTYPE html>
<html lang="en">
<head></head>
<body>
<div><p onm ouseup="mytest()">只是一段文本其余的还有很多的文字</p></div>
<script>
function mytest(e){
console.log(window.getSelection);
var txt = window.getSelection?window.getSelection():document.selection.createRange().text;
if(txt==""){//当选中内容为空时，阻止事件发生
window.event? window.event.cancelBubble = true : e.stopPropagation();
}else{
var txt1=String.toString(txt);//得到的选中的文本是一个对象，需要转化为字符串
alert(txt1);
}
}
</script>
</body>
</html>
标签：盒子,getSelection,获取,window,选中,var,txt,event From： https://www.cnblogs.com/Ma-YuHao/p/16710868.html