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createtextrange createrange有什么区别

js为选中的文本加链接

yeah posted @ Jan 06, 2010 07:02:00 PM in PHP学习 , 1643 阅读

selection是文档中被选择的所有对象   
createRange()是将创建一个textRange()对象,就是文档中被选择的所有文本都放到这个对象里了   
pasteHTML()将被选中的文本清空,然后将给定的HTML串粘贴进来

例子:
<script type="text/javascript">
        function addLink(){
           var oRange = document.selection.createRange();
           if(oRange.text!=''){
              var oUrl = window.prompt('链接网址...','http://www.163.com/');
              var oHtml = '<a href=' oUrl ' target=_blank>' oRange.text '</a>';
              alert(oHtml);
              oRange.pasteHTML(oHtml);
           }else{
              window.alert('您没有选择加链接的文字!');
           }
        }
</Script>

<input type="button" value="添加链接" onclick="addLink();" >
<area>hehe</area>


Tags -
celebrity heights 说:
Apr 21, 2022 02:19:40 PM

Billie Eilish - the youngest person and second person ever to win the four main Grammy categories, was born in December 18, 2001, find out more about her info on celeb height wiki


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