js捕获回车事件，并且获取每一条输入内容

 1 <body>
 2     <div style="width: 200px; height: 20px;">
 3         <textarea ></textarea>
 4     </div>
 5 </body>
 6 <script>
 7     //判断回车符，并且获取每一行的内容
 8     function keyup(param) {
 9         //alert(param);
10         var ss = document.getElementById('inputValue').value;
11         var ary = ss.split('\n');
12         var list = new Array();
13         for (var i = 0; i < ary.length; i++) {
14             alert(ary[i]);
15             if (ary[i] != null && ary[i].trim() != "")
16                 list.push(ary[i]);
17         }
18         alert(list.length);
19     }
20 </script>

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