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clean up outdated references in README.md

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fixes #461
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alexlamsl 2017-04-15 19:58:28 +08:00
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README.md
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@ -4,12 +4,6 @@ UglifyJS 2
UglifyJS is a JavaScript parser, minifier, compressor or beautifier toolkit. UglifyJS is a JavaScript parser, minifier, compressor or beautifier toolkit.
This page documents the command line utility. For
[API and internals documentation see my website](http://lisperator.net/uglifyjs/).
There's also an
[in-browser online demo](http://lisperator.net/uglifyjs/#demo) (for Firefox,
Chrome and probably Safari).
#### Note: #### Note:
- release versions of `uglify-js` only support ECMAScript 5 (ES5). If you wish to minify - release versions of `uglify-js` only support ECMAScript 5 (ES5). If you wish to minify
ES2015+ (ES6+) code then please use the [harmony](#harmony) development branch. ES2015+ (ES6+) code then please use the [harmony](#harmony) development branch.
@ -469,8 +463,6 @@ code as usual. The build will contain the `const` declarations if you use
them. If you are targeting < ES6 environments which does not support `const`, them. If you are targeting < ES6 environments which does not support `const`,
using `var` with `reduce_vars` (enabled by default) should suffice. using `var` with `reduce_vars` (enabled by default) should suffice.
<a name="codegen-options"></a>
#### Conditional compilation, API #### Conditional compilation, API
You can also use conditional compilation via the programmatic API. With the difference that the You can also use conditional compilation via the programmatic API. With the difference that the
property name is `global_defs` and is a compressor property: property name is `global_defs` and is a compressor property:
@ -707,14 +699,14 @@ Other options:
mangle property options. mangle property options.
- `output` (default `null`) — pass an object if you wish to specify - `output` (default `null`) — pass an object if you wish to specify
additional [output options][codegen]. The defaults are optimized additional [output options](#beautifier-options). The defaults are optimized
for best compression. for best compression.
- `compress` (default `{}`) — pass `false` to skip compressing entirely. - `compress` (default `{}`) — pass `false` to skip compressing entirely.
Pass an object to specify custom [compressor options][compressor]. Pass an object to specify custom [compressor options](#compressor-options).
- `parse` (default {}) — pass an object if you wish to specify some - `parse` (default {}) — pass an object if you wish to specify some
additional [parser options][parser]. (not all options available... see below) additional [parser options](#the-parser).
##### mangle ##### mangle
@ -750,11 +742,12 @@ Other options:
// 'function n(n,a){}var a;' // 'function n(n,a){}var a;'
``` ```
##### mangleProperties options ##### mangle.properties options
- `regex` — Pass a RegExp to only mangle certain names (maps to the `--mangle-regex` CLI arguments option) - `regex` — Pass a RegExp to only mangle certain names
- `ignore_quoted` – Only mangle unquoted property names (maps to the `--mangle-props 2` CLI arguments option) - `ignore_quoted` – Only mangle unquoted property names
- `debug` – Mangle names with the original name still present (maps to the `--mangle-props-debug` CLI arguments option). Defaults to `false`. Pass an empty string to enable, or a non-empty string to set the suffix. - `debug` – Mangle names with the original name still present. Defaults to `false`.
Pass an empty string to enable, or a non-empty string to set the suffix.
We could add more options to `UglifyJS.minify` — if you need additional We could add more options to `UglifyJS.minify` — if you need additional
functionality please suggest! functionality please suggest!
@ -916,10 +909,7 @@ The `source_map_options` (optional) can contain the following properties:
[acorn]: https://github.com/ternjs/acorn [acorn]: https://github.com/ternjs/acorn
[source-map]: https://github.com/mozilla/source-map [source-map]: https://github.com/mozilla/source-map
[sm-spec]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit [sm-spec]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k
[codegen]: http://lisperator.net/uglifyjs/codegen
[compressor]: http://lisperator.net/uglifyjs/compress
[parser]: http://lisperator.net/uglifyjs/parser
#### Harmony #### Harmony