Examples to explain JS implementation of removing duplicate json from arrays

This article mainly introduces the JS method to remove duplicate json in the array, involving JavaScript traversal, judgment, access and other related operation skills for json array data. Friends in need can refer to it, hoping to help everyone better master it. Knowledge of js and json.

var array = [{"name":"123"},{"name":"123"},{"name":"456"}];
unique(array);
function unique(list) {
  var arr = [];
  for (var i = 0; i < list.length; i++) {
    if (i == 0) arr.push(list[i]);
    b = false;
    if (arr.length > 0 && i > 0) {
      for (var j = 0; j < arr.length; j++) {
        if (arr[j].typesname == list[i].typesname) {
          b = true;
          //break;
        }
      }
      if (!b) {
        arr.push(list[i]);
      }
    }
  }
  return arr;
}

Have you all learned it? Hurry up and give it a try.

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