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js uses concat and sort to splice N arrays_javascript skills

WBOY
WBOYOriginal
2016-05-16 15:19:001506browse

This article analyzes the method of splicing N arrays using concat and sort in js. Share it with everyone for your reference, the details are as follows:

This is an expansion of an interview question from a large company. It is just a solution, but it is not sure whether it is efficient or not, but the effect is indeed achieved! 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title></title>
  <script type="text/javascript" >
    function concatAndSortArray(array1, array2) {
      if (arguments.length < 2) {
        return;
      }
      var arg = null;
      var array = [];
      for (var i = 0; i < arguments.length; i++) {
        arg = arguments[i];
        if (typeof arg === "object" && arg.length > 0) {
          array = array.concat(arg);
        }
      }
      array.sort(function (arg1, arg2) {
        if (arg1 > arg2) {
          return 1;
        } else {
          return -1;
        }
      });
      return array;
    }
    var array1 = [1, 2, 3, 4, 5, 15];
    var array2 = [10, 12, 13, 25, 35];
    var array = concatAndSortArray(array1, array2);
    console.log(array);
  </script>
  <style type="text/css" >
  #tx { line-height:30px; font-weight:bolder; text-align:center; background:#DDDDDD; margin-top:10px;}
  </style>
</head>
<body>
<div id="tx">haha</div>
<hr />
<div id="container">
</div>
</body>
</html>

Readers who are interested in more content related to JavaScript arrays and strings can check out the special topics on this site: "Summary of JavaScript array operation skills" and "Summary of JavaScript string related operations 》

I hope this article will be helpful to everyone in JavaScript programming.

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