remove undefined from array javascript
var data = [42, 21, undefined, 50, 40, undefined, 9];
data = data.filter(function( element ) {
return element !== undefined;
});remove undefined from array javascript
var data = [42, 21, undefined, 50, 40, undefined, 9];
data = data.filter(function( element ) {
return element !== undefined;
});How to Remove undefined Values From a JavaScript Array?
// ES6+
const arr = [1, undefined, 2, 3, undefined, 5];
const filteredArr = arr.filter((elem) => elem !== undefined);
console.log(filteredArr); // output: [1, 2, 3, 5]Copyright © 2021 Codeinu
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