Below examples implement the above concept:
Example 1: This example demonstrates array.size() method and array.length property.
Length of the array is: 3 error on console: TypeError: arr.size is not a function
Note: The array.length property returns value of last_key+1 for Arrays with numeric index value. This property doesn’t guarantee to find the number of items in the array.
Example 2: This example display how Array.length property works.
Length of the array is: 51
Example 3: This example display how array.length property works when index key is non numeric.
Length of the array is: 0
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