Javascript examples for Array Operation:Array Search
array contains/includes sub array
<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 master = [1, 2, 3, 4, 5]; var sub = [2, 3]; Array.prototype.arrayContains = function(sub) { var self = this; var result = sub.filter(function(item) { return self.indexOf(item) > -1; }); return sub.length === result.length; } console.log(master.arrayContains(sub)); } </script> </head> <body> </body> </html>