Answers for "delete array undefined javascript"

1

remove undefined from array javascript

var data = [42, 21, undefined, 50, 40, undefined, 9];

data = data.filter(function( element ) {
   return element !== undefined;
});
Posted by: Guest on September-27-2020
4

remove empty values from array javascript

var array = [0, 1, null, 2, "", 3, undefined, 3,,,,,, 4,, 4,, 5,, 6,,,,];

var filtered = array.filter(function (el) {
  return el != null;
});

console.log(filtered);
Posted by: Guest on December-22-2019

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