checking if an array is empty javascript code example

Example 1: javascript check if array is empty

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

Example 2: javascript check if array is empty

if (array && !array.length) {
    // array is defined but has no element
}

Example 3: check row empty array javascript

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

Example 4: empty array length javascript

empty array check javascript