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购物车选中得到价格实现示例

作者:佚名    责任编辑:admin    更新时间:2022-06-22

 本文为大家介绍下购物车如何实现选中得到价格,下面有个不错的示例,大家可以参考下

代码如下: <!DOCTYPE html>  <html>  <head>  <title>MyCart1.html</title>    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">  <meta http-equiv="description" content="this is my page">  <meta http-equiv="content-type" content="text/html; charset=UTF-8">    <!--<link rel="stylesheet" type="text/css" href="./styles.css">-->  <script language = "javascript" type = "text/javascript">    function jisuan(obj){    var total = 0;  var fruits = document.getElementsByName("fruit");  for(var i=0;i<fruits.length;i++){  if(fruits[i].checked){  total += parseFloat(fruits[i].value);  }  }  myspan.innerText = total + "元";  }  </script>  </head>    <body>  <input type = "checkbox" name = "fruit" value = "10" onclick = "jisuan(this)">苹果 10元<br/>  <input type = "checkbox" name = "fruit" value = "20" onclick = "jisuan(this)">香蕉 20元<br/>  <input type = "checkbox" name = "fruit" value = "30" onclick = "jisuan(this)">西瓜 30元<br/>  <input type = "checkbox" name = "fruit" value = "40" onclick = "jisuan(this)">栗子 40元<br/>  <input type = "checkbox" name = "fruit" value = "50" onclick = "jisuan(this)">哈密瓜 50元<br/><br/>  总价格是:<span id = "myspan">0元</span>  </body>  </html>