Answers for "check row empty array javascript"

javascript check if array is empty

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

javascript check if array is not empty

if (array === undefined || array.length == 0) {
    // array empty or does not exist
}

check row empty array javascript

if(array && array.length){   
   // not empty 
} else {
   // empty
}