What is a Number in TypeScript?
This lesson delves into how to define integers, floats, and doubles in TypeScript.
We'll cover the following
Another common primitive is the number. Since TypeScript is a superset of JavaScript, numbers work the same way in both languages. The openness of JavaScript allows for a broad set of numbers. Integers, signed floats, or unsigned floats are permitted. By default, a number will be base 10.
When a type is explicitly assigned to a variable, the type will be removed once the JavaScript is generated. The reason is that typing does not exist in JavaScript. It explains why TypeScript only has number
. The following code will produce three variables without an explicit type in JavaScript but if typeof
is used, it will return the dynamic type: number
.
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