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CODE EXAMPLE FOR JAVASCRIPT

remove duplicates from array javascript

function onlyUnique(value, index, self) {
  return self.indexOf(value) === index;
}

// usage example:
var a = ['a', 1, 'a', 2, '1'];
var unique = a.filter(onlyUnique);

console.log(unique); // ['a', 1, 2, '1']
Source by stackoverflow.com #
 
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Tagged: #remove #duplicates #array #javascript
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