What is array length?

Question

Array Length

Answer 1

A Java array length example. ... Answer: While you might logically expect there to be a length method on a Java array, there is actually a public length attribute on an array (instead of a length method). Therefore, to get the Java array length, you just have to access this array length attribute.

Answer 2

Array length is the cardinality of the array.

var firstArray = ["a", "Test", 5];
var secondArray = ["a", true, 5, 't', 2.0];

firstArray.length would return the integer 3 since there are 3 elements. string "a", string "Test" and the integer 5

secondArray.length would return the integer 5 since there are 5 elements. string "a", boolean true, integer 5, char 't' and double 2.0

for sure you could assign them to variables like:

var firstInt = firstArray.length;
var secondInt = secondArray.length;
console.log(firstInt) would print 3
console.lig(secondInt) would print 5