javascript获取设置输入框内容

代码，

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>获取设置输入框内容</title>
</head>
<body>
 
<button onclick="getinput()">click me</button>
	<div id="div1">
    <input type="text" size="50" id="t0" value="1,2,2,13,7" />
	<input type="text" size="50" id="t1" value="" />
	</div>
	
<script>
    var str="";
	function getinput() {
        str = document.getElementById("t0").value;
		document.getElementById("t1").value = str;
	}
</script>
 
</body>
</html>

运行如下；

单击按钮；