JavaScript in Practice: Getting Started/

...

/

The typeof Operator

The typeof Operator

Learn about the usage of typeof operator to get the type of a value.

We'll cover the following...

The typeof operator accepts one operand and returns a string. This string describes the type of object.

Press + to interact
typeof ''         // "string"
typeof 0          // "number"
typeof true       // "boolean"
typeof {}         // "object"
typeof []         // "object"
typeof null       // "object"
typeof undefined  // "undefined"
typeof Symbol()   // "symbol"
...