Answers for "check undefined or empty array in js"

javascript check if array is empty

if (typeof array !== 'undefined' && array.length === 0) {
    // the array is defined and has no elements
}

Posted by: Guest on March-13-2020

javascript not empty array not string

if (Array.isArray(array) && array.length) {
    // array exists and is not empty
}

Posted by: Guest on April-07-2020

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