Javascript Array Different Data Types. Var length 16. This means that it s possible to create an array that has a string in the first position a number in the second an object in the third and so on.
Typeof instance number string. Var x firstname john lastname doe. How to create an array with different data types you can create an array with elements of different data types when declare the array as object.
Typeof instance symbol.
Meaning it can store mixed data. Number string boolean undefined null object symbol. Typeof instance undefined boolean. Typeof instance bigint symbol.