获取checkbox复选框的值

<title>CheckBox</title>
  <script type = "text/javascript">
	doGetVal: function  doGetVal()
	{
		//var fruitName = document.getElementById("apple").value;//根据ID获取值
		//alert(fruitName);
		//
		var fruit = document.getElementsByName("fruit"); //根据Name拿到集合数组
		for (var i=0;i<fruit.length;i++ )
		{
			if (fruit[i].checked)//checkbox是否选中
			{
				var fruitName = fruit[i].value;
				alert(fruitName);
			}
		}
	}
  </script>
 </head>
 <body>
	<div align="left">
		<input type = "checkBox" id="apple" name="fruit" value="apple"/>apple<br>
		<input type = "checkBox" name="fruit" value="watermelon"/>watermelon<br>
		<input type = "checkBox" name="fruit" value="strawberry"/>strawberry<br>
		<input type = "button" onclick="doGetVal()" value = "click"/>
	</div>
 </body>
</html>

 

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