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CODE EXAMPLE FOR JAVASCRIPT

Remove duplicates from an array of objects by multiple properties

function unique(a, fn) {
  if (a.length === 0 || a.length === 1) {
    return a;
  }
  if (!fn) {
    return a;
  }

  for (let i = 0; i < a.length; i++) {
    for (let j = i + 1; j < a.length; j++) {
      if (fn(a[i], a[j])) {
        a.splice(i, 1);
      }
    }
  }
  return a;
}
Code language: JavaScript (javascript)
Source by www.javascripttutorial.net #
 
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Tagged: #Remove #duplicates #array #objects #multiple #properties
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