js test for empty array code example

Example 1: javascript check if array is empty

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

Example 2: javascript not empty array not string

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

Example 3: check row empty array javascript

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