❌ Removing items from arrays

Note date 06 Jan, 2021
Tags javascript
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Remove single item from array 

const removeItemFromArray = (arr, value) => {
  var index = arr.indexOf(value)
  if (index > -1) {
    arr.splice(index, 1)
  }
  return arr
}

// Usage
console.log(removeItemFromArray([2, 5, 9, 1, 5, 8, 5], 5))

Remove multiple items from array 

const removeAllItemsFromArray = (arr, value) => {
  var i = 0
  while (i < arr.length) {
    if (arr[i] === value) {
      arr.splice(i, 1)
    } else {
      ++i
    }
  }
  return arr
}

// Usage
console.log(removeAllItemsFromArray([2, 5, 9, 1, 5, 8, 5], 5))
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