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# babel-plugin-transform-exponentiation-operator
> Compile exponentiation operator to ES5
## Example
```js
// x ** y
let squared = 2 ** 2;
// same as: 2 * 2
let cubed = 2 ** 3;
// same as: 2 * 2 * 2
// x **= y
let a = 2;
a **= 2;
// same as: a = a * a;
let b = 3;
b **= 3;
// same as: b = b * b * b;
```
## Installation
```sh
npm install --save-dev babel-plugin-transform-exponentiation-operator
```
## Usage
### Via `.babelrc` (Recommended)
**.babelrc**
```json
{
"plugins": ["transform-exponentiation-operator"]
}
```
### Via CLI
```sh
babel --plugins transform-exponentiation-operator script.js
```
### Via Node API
```javascript
require("babel-core").transform("code", {
plugins: ["transform-exponentiation-operator"]
});
```
## References
* [Proposal: Exponentiation Operator](https://github.com/rwaldron/exponentiation-operator)
* [Spec: Exponential Operator](https://rwaldron.github.io/exponentiation-operator/)
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