Use array map(), filter(), indexOf() - Javascript Array

Javascript examples for Array:map

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Description

Use array map(), filter(), indexOf()

Demo Code

ResultView the demo in separate window 

<html>
   <head> 
      <meta name="viewport" content="width=device-width, initial-scale=1"> 
      <script type="text/javascript">
    window.onload=function(){/*w ww .j  av a 2  s . c o m*/
var ids = [1,22,16]
var locationInfo = [{name:'loc1',id:1}, {name:'loc2',id:22},{name:'loc3',id:40}];
var locs = locationInfo
   .map(item=>ids.indexOf(item.id) > -1 ? item: undefined)
  .filter(e=>e);
console.log(locs);
    }

      </script> 
   </head> 
   <body>  
   </body>
</html>

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