javascript高亮效果的二种实现方法

js高亮方法一:

  

复制代码 代码如下:

  <script>

  function HighLight(nWord){

  if(nWord!=''){

  var keyword = document.body.createTextRange();

  while(keyword.findText(nWord)){

  keyword.pasteHTML("<span style='color:red;'>" + keyword.text + "</span>");

  keyword.moveStart('character',1);

  }

  }

  }

  function highword(nWord){

  var array = nWord.split(",");

  for(var i=0;i<array.length;i++){

  HighLight(array[i]);

  }

  }

  </script>

  <body onload="highword('li,jin')">

  <p>liujinzhong liujinzhong liuzhong</p>

  </body>

  js高亮方法二:

  2.

  

复制代码 代码如下:

  <html>

  <head>

  <title>Test Page</title>

  <script type="text/javascript">

  <!--

  function highLight(ele,keys)

  {

  var reg = new RegExp("(" + keys.replace(/,/,"|") + ")","g");

  ele.innerHTML = ele.innerHTML.replace(reg,"<font color=\"red\">$1</font>");

  }

  window.onload = function()

  {

  highLight(document.getElementsByTagName("p")[0],"li,jin");

  }

  //-->

  </script>

  </head>

  <body>

  <p>liujinzhong liujinzhong liuzhong</p>

  </body>

  </html>