Answers for "delete array object and remove undefined"

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
1

js remove undefined from object

Object.keys(obj).forEach(key => obj[key] === undefined && delete obj[key])
Posted by: Guest on April-18-2020

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