Prototype - 枚举 zip() 方法



此方法整合 2 + 序列,提供元组数组。

每个元组包含每个原始序列的一个值。元组可以通过对它们应用可选迭代器转换为其他内容。

语法

Iterator.zip(Sequence);

返回值

返回一个整合值数组。

示例

<html>
   <head>
      <title>Prototype examples</title>
      <script type = "text/javascript" src = "/javascript/prototype.js"></script>
      
      <script>
         function showResult() {
            var firstNames = ['Justin', 'Tobie', 'Christophe'];
            var lastNames = ['Palmer', 'Langel', 'Porteneuve'];
            var zipped = firstNames.zip(lastNames);

            alert("zipped values: " + zipped.inspect());
            var zipped = firstNames.zip(lastNames, function(a) { 
               return a.join(' '); 
            })
            alert("zipped values: " + zipped.inspect());
         }
      </script>
   </head>

   <body>
      <p>Click the button to see the result.</p>
      <br />
      <br />
      <input type = "button" value = "Result" onclick = "showResult();"/>
   </body>
</html>

输出

prototype_enumerating.htm
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