web2_javascript/ex10.html at master · web-n/web2_javascript · GitHub

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<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
  </head>
  <body>
    <h1>Object</h1>
    <h2>Create</h2>
    <script>
      var coworkers = {
        "programmer":"egoing",
        "designer":"leezche"
      };
      document.write("programmer : "+coworkers.programmer+"<br>");
      document.write("designer : "+coworkers.designer+"<br>");
      coworkers.bookkeeper = "duru";
      document.write("bookkeeper : "+coworkers.bookkeeper+"<br>");
      coworkers["data scientist"] = "taeho";
      document.write("data scientist : "+coworkers["data scientist"]+"<br>");
    </script>
    <h2>Iterate</h2>
    <script>
      for(var key in coworkers) {
        document.write(key+' : '+coworkers[key]+'<br>');
      }
    </script>
    <h2>Property & Method</h2>
    <script>
      coworkers.showAll = function(){
        for(var key in this) {
          document.write(key+' : '+this[key]+'<br>');
        }
      }
      coworkers.showAll();
    </script>
  </body>
</html>