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Remove null from array Javascript Code Example

Last Updated on Wednesday 5th Oct 2022

remove null from array javascript

  • The filter() method creates a new array with all elements that pass the test implemented by the provided function.
  • The filter() method creates a new array filled with elements that pass a test provided by a function.

javascript remove null from array

  • To remove empty, null, or undefined elements from an array, we can use the filter() array method.
  • Then, pass a function to the method which returns the element currently getting looped.

Return value

  • A new array with the elements that pass the test.
  • If no elements pass the test, an empty array will be returned.

remove null from array

Example 1

arr.filter(Boolean)

			
					const array = [23, "😂", null, undefined, 0, false, NaN, '', [], null, {}];
console.log(array.filter(Boolean))

			
	

Output

			
					[
  23,
  "😂",
  [],
  {}
]