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schangxiang@126.com

2025-09-19 18966e02fb573c7e2bb0c6426ed792b38b910940

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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/)