object.length where the object can either be a string object or an array object
Below is an example of the string length Property.
Input : print("GeeksForGeeks".length) Output :13 Input : print([1, 2, 3, 4, 5, 6, 7, 8, 9].length) Output :9
Explanation: In the first example, 13 is the number of characters in the string “GeeksForGeeks”, hence the output is 13. And likewise in the second example, the length of the array is 9 and so is the output