Get all unique values in a JavaScript array (remove duplicates) - Stack Overflow

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Tue Aug 09 2022 00:19:01 GMT+0000 (Coordinated Universal Time)

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function uniqueArray1( ar ) {
  var j = {};

  ar.forEach( function(v) {
    j[v+ '::' + typeof v] = v;
  });

  return Object.keys(j).map(function(v){
    return j[v];
  });
} 
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https://stackoverflow.com/questions/1960473/get-all-unique-values-in-a-javascript-array-remove-duplicates