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# @babel/plugin-proposal-optional-catch-binding
> Optional catch binding enables the catch block to execute whether or not an argument is passed to the catch statement (CatchClause).
## Examples
```js
try {
throw 0;
} catch {
doSomethingWhichDoesntCareAboutTheValueThrown();
}
```
```js
try {
throw 0;
} catch {
doSomethingWhichDoesntCareAboutTheValueThrown();
} finally {
doSomeCleanup();
}
```
## Installation
```sh
npm install --save-dev @babel/plugin-proposal-optional-catch-binding
```
## Usage
### Via `.babelrc` (Recommended)
**.babelrc**
```json
{
"plugins": ["@babel/plugin-proposal-optional-catch-binding"]
}
```
### Via CLI
```sh
babel --plugins @babel/plugin-proposal-optional-catch-binding script.js
```
### Via Node API
```javascript
require("@babel/core").transform("code", {
plugins: ["@babel/plugin-proposal-optional-catch-binding"]
});
```
## References
- [Proposal: Optional Catch Binding for ECMAScript](https://github.com/babel/proposals/issues/7)
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