Answers for "remove all false values from array"

2

js remove falsey values from array

const a =[3,,null, false, undefined, 1];

// Remove falsey
a.filter(Boolean);
 
// Remove specific (undefined)
a.filter(e => e !== undefined);
Posted by: Guest on June-01-2021
0

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], "");
Posted by: Guest on October-15-2020

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