javascript - match an item in an array instead of doing a for loop -


here code 

for(y=0;y<json.parse(sessionstorage.getitem("url")).length;y++){     if(json.parse(sessionstorage.getitem("url"))[y] != olistitem.get_item('privacystatementurls').get_url()){          listurl.push(olistitem.get_item('privacystatementurls').get_url());                             } }

it goes through array see if there match item in list. there inbuilt function in javascript can use match if identical. he match he not hel hell hello etc


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