Check If An Array Is Empty Or Null Or Undefined In JavaScript?
let myArray = [];
if( myArray.length > 0 ) {
console.log(myArray);
console.log("Array has elements");
}
else {
console.log("Array has no elements");
}Check If An Array Is Empty Or Null Or Undefined In JavaScript?
let myArray = [];
if( myArray.length > 0 ) {
console.log(myArray);
console.log("Array has elements");
}
else {
console.log("Array has no elements");
}non null array length
public static <T> int getLength(T[] arr){
int count = 0;
for(T el : arr)
if (el != null)
++count;
return count;
}
// equivalently in pure C# :
public static int getUsedLength(string[] arr)
{
int count = 0;
for (int i = 0; i < arr.Length; i++)
{
if (arr[i] != null)
{
++count;
}
}
return count;
}Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
