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Update README for /** @const */

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Samuel Reed 2016-01-19 13:24:36 -06:00
parent 8b71c6559b
commit 918c17bd88
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@ -395,6 +395,8 @@ separate file and include it into the build. For example you can have a
```javascript
const DEBUG = false;
const PRODUCTION = true;
// Alternative for environments that don't support `const`
/** @const */ var STAGING = false;
// etc.
```
@ -404,8 +406,8 @@ and build your code like this:
UglifyJS will notice the constants and, since they cannot be altered, it
will evaluate references to them to the value itself and drop unreachable
code as usual. The possible downside of this approach is that the build
will contain the `const` declarations.
code as usual. The build will contain the `const` declarations if you use
them. If you are targeting < ES6 environments, use `/** @const */ var`.
<a name="codegen-options"></a>
## Beautifier options