In typecript we have two ways to work with arrays.
First way:
- Define our variable
let cities - Write our type to check
: string[] - Give value to our variable
= ["London", "New York", "Dubai"]
: string[] this means that we want to check if our array contains string type values. If the array contains only numbers we write it as : number[] and so on. If our array contains mixed types we will use any[]
let cities : string[] = ["London", "New York", "Dubai"];
let years : number[] = [1, 2, 3];
Second way:
- Define our variable
let cities - Write our type to check
: Array<string> - Give value to our variable
= ["London", "New York", "Dubai"]
let cities : Array<string> = ["London", "New York", "Dubai"];
let years : Array<number> = [1, 2, 3];
There is no difference between one way or another apart from syntax. Some might say that using the second way is a bit more clear, but that's one man's opinion.
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