[Pkg-javascript-commits] [uglifyjs] 93/190: Update README for /** @const */

[Antonio Terceiro]

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terceiro pushed a commit to annotated tag upstream/2.7.0
in repository uglifyjs.

commit 918c17bd88647899be7fa1d9adabfe635cd6102d
Author: Samuel Reed <samuel.trace.reed at gmail.com>
Date:   Tue Jan 19 13:24:36 2016 -0600

    Update README for /** @const */
---
 README.md | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 67324db..6dea439 100644
--- a/README.md
+++ b/README.md
@@ -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

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