Answers for "check array null"

js variable array null check

if (typeof image_array !== 'undefined' && image_array.length > 0) {
    // the array is defined and has at least one element
}

Posted by: Guest on July-09-2020

isempty for arrays

int arr[] = null;
if (arr == null) {
  System.out.println("array is null");
}

Posted by: Guest on November-22-2020

Code answers related to "check array null"