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update documentation for reduce_funcs (#2478)

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kzc
2017-11-14 03:03:25 -05:00
committed by Alex Lam S.L
parent 49fbe9c5ac
commit 557636f3b7
1 changed files with 6 additions and 5 deletions
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README.md
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@@ -689,11 +689,12 @@ If you're using the `X-SourceMap` header instead, you can just omit `sourceMap.u
Specify `"strict"` to treat `foo.bar` as side-effect-free only when Specify `"strict"` to treat `foo.bar` as side-effect-free only when
`foo` is certain to not throw, i.e. not `null` or `undefined`. `foo` is certain to not throw, i.e. not `null` or `undefined`.
- `reduce_funcs` (default: `true`) -- Allows single-use functions - `reduce_funcs` (default: `true`) -- Allows single-use functions to be
to be inlined as function expressions when permissible. inlined as function expressions when permissible allowing further
Enabled by default. Option depends on `reduce_vars` being enabled. optimization. Enabled by default. Option depends on `reduce_vars`
For speed critical code this option should be disabled. being enabled. Some code runs faster in the Chrome V8 engine if this
option is disabled. Does not negatively impact other major browsers.
- `reduce_vars` (default: `true`) -- Improve optimization on variables assigned with and - `reduce_vars` (default: `true`) -- Improve optimization on variables assigned with and
used as constant values. used as constant values.