# Length
Arrays have a property called length, and it's pretty much exactly as it sounds, it's the length of the array.
~~~
var array = [1 , 2, 3];
// Result: l = 3
var l = array.length;
~~~
Exercise
Define the variable a to be the number value of the length of the array
~~~
var array = [1, 1, 2, 3, 5, 8];
var l = array.length;
var a =
~~~
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