remove falsy values from array javascript
let mixedArr = [0, “blue”, “”, NaN, 9, true, undefined, “white”, false];
let trueArr = mixedArr.filter(Boolean);
console.log(trueArr); // returns [“blue”, 9, true, “white”]remove falsy values from array javascript
let mixedArr = [0, “blue”, “”, NaN, 9, true, undefined, “white”, false];
let trueArr = mixedArr.filter(Boolean);
console.log(trueArr); // returns [“blue”, 9, true, “white”]removes null and false values from an array
function bouncer(arr) {
arr = arr.filter(function (n) {
return (n !== undefined && n !== null && n !== false && n !== 0 && n !== "" && isNaN()!=NaN); });
return arr;
}
bouncer([7, "ate", "", false, 9, NaN], "");can you push falsy values to array
function bouncer(arr) {
return arr.filter(function(v) { return !!v; });
}Copyright © 2021 Codeinu
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