7 examples of 'mdn array splice' in JavaScript

53
function splice (arr, start, remove, ...rest) {
54
  let newArr = []
55
  let indexOfNewArr = 0
56
  for (let i = 0; i < arr.length; i++) {
57
    // Jumping the data that want to be removed
58
    if (i >= start && i < start + remove) {
59
      continue
60
    }
61
    // Insert to the array
62
    newArr[indexOfNewArr] = arr[i]
63
    indexOfNewArr++
64
    // If there are any new data that want to be added, insert from index start
65
    if (indexOfNewArr === start) {
66
      for (let j = 0; j < rest.length; j++) {
67
        newArr[indexOfNewArr] = rest[j]
68
        indexOfNewArr++
69
      }
70
    }
71
  }
72
  return newArr
73
}

217
function spliceArray(array: AST.Node[], index: number, result: AST.Node | AST.Node[] | null) {
218
  if (result === null) {
219
    array.splice(index, 1);
220
    return 0;
221
  } else if (Array.isArray(result)) {
222
    array.splice(index, 1, ...result);
223
    return result.length;
224
  } else {
225
    array.splice(index, 1, result);
226
    return 1;
227
  }
228
}

90
function splice(list, i) {
91
  if (i === 0) {
92
    list.shift();
93
    return;
94
  }
95
96
  let k = i + 1;
97
98
  while (k < list.length)
99
    list[i++] = list[k++];
100
101
  list.pop();
102
}

27
static remove(array = [], index = 0) {
28
  return index >= 0 ? array.splice(index, 1) : [];
29
}

122
splice(...args) {
123
  return this._mutation('splice', args);
124
}

199
static splice(l:List, from:int, length:int):List {
200
  return l.splice(from, length);
201
}

64
export function arrayShift(arr: T[]): T {
65
    return arr.removeAt(0);
66
}