Usuń NULL z tablicy JavaScript
let array = [0, 1, null, 2, 3];
function removeNull(array) {
return array.filter(x => x !== null)
};
Bored Bat
let array = [0, 1, null, 2, 3];
function removeNull(array) {
return array.filter(x => x !== null)
};var colors=["red","blue",,null,undefined,,"green"];
//remove null and undefined elements from colors
var realColors = colors.filter(function (e) {return e != null;});
console.log(realColors);var arr = [1,2,,3,,-3,null,,0,,undefined,4,,4,,5,,6,,,,];
arr.filter(n => n)
// [1, 2, 3, -3, 4, 4, 5, 6]
arr.filter(Number)
// [1, 2, 3, -3, 4, 4, 5, 6]
arr.filter(Boolean)
// [1, 2, 3, -3, 4, 4, 5, 6]