購物車選中得到價格實現樣本

來源:互聯網
上載者:User

 本文為大家介紹下購物車如何?選中得到價格,下面有個不錯的樣本,大家可以參考下

代碼如下:<!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)">蘋果 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/> 總價格是:<span id = "myspan">0元</span> </body> </html> 
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