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How to remove duplicates from an array in JavaScript 

Prashant Surya  |   Jul 10, 2019  |  Views: 577
pictures

Description:

var rawdata = [2,3,4,5,6,7,8,4,2,3,3,4,5,6,7,4,7,2,2,3,4,56,6,7,8];

console.log(removeDuplicates(rawdata));

function removeDuplicates(data){
var sorteddata = data.sort();
  var newArray=[sorteddata[0]];
  sorteddata.forEach((x,i)=>{
  let val = sorteddata[i-1];
  if(i>0 && val!=x){
      newArray.push(x);
    }
  });
return newArray;
}



Comments:
Content Contributor
Prashant Surya

Prashant Surya

Software developer at Uniserve Data Technologies Pvt. Ltd.  |   Noida, Uttar Pradesh, India

I am a software developer, freelancer and trainer working on technologies likes. MEAN stack, MERN Stack, ASP.NET full stack, WebRTC, socket.io ,PWA, SQL, JavaScript, jQuery, HTML, CSS, SEO, responsive UI/UX designing... having 7 years of experience in development in multiple domains like, eCommerce, RTA, capital markets, education, real estate...


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