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How to hide text in javascript

藏色散人
藏色散人Original
2021-10-14 14:41:545169browse

javascript隐藏文字的方法:1、创建一个HTML示例文件;2、通过div设置文字内容;3、通过“function init(){...}”方法实现隐藏文字功能即可。

How to hide text in javascript

本文操作环境:windows7系统、javascript1.8.5版、Dell G3电脑。

javascript怎么隐藏文字?

javascript实现文字隐藏

Html代码 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">  
<html xmlns="http://www.w3.org/1999/xhtml">  
<head>  
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />  
<title>无标题文档</title>  
</head>  
<script type="text/javascript">  
   function init(){  
      var len = 14;      //默认显示字数  
      var ctn = document.getElementById("content");  //获取div对象  
      var content = ctn.innerHTML;                   //获取div里的内容  
      
      //alert(content);  
      var span = document.createElement("span");     //创建<span>元素  
      var a = document.createElement("a");           //创建<a>元素  
      span.innerHTML = content.substring(0,len);     //span里的内容为content的前len个字符  
      a.innerHTML = content.length>len?"<img  src=&#39;d:\\right.jpeg&#39;    style="max-width:90%"How to hide text in javascript" >展开":"";  //设置a的显示  
      a.href = "javascript:void(0)";  
      a.onclick = function(){  
          if(a.innerHTML.indexOf("展开")>0){      //如果a中含有"展开"则显示"收起"  
            a.innerHTML = "<img  src=&#39;d:\\up.jpeg&#39;    style="max-width:90%"How to hide text in javascript" >收起";  
            span.innerHTML = content;  
          }else{  
              a.innerHTML = "<img  src=&#39;d:\\right.jpeg&#39;    style="max-width:90%"How to hide text in javascript" >展开";  
              span.innerHTML = content.substring(0,len);  
          }  
      }  
      // 设置div内容为空,span元素 a元素加入到div中  
      ctn.innerHTML = "";  
      ctn.appendChild(span);  
      ctn.appendChild(a);  
        
   }  
     
</script>  
<body onload="init()">  
<div id="content">  
    那片笑声让我想起我的那些花儿</br>  
    在我生命每个角落静静为我开着</br>  
    我曾以为我会永远守在他身旁</br>  
    今天我们已经离去在人海茫茫  
</div>  
</body>  
</html>

截图

How to hide text in javascript

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