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Diffstat (limited to 'js/vendor/es6-shim/README.md')
| -rw-r--r-- | js/vendor/es6-shim/README.md | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/js/vendor/es6-shim/README.md b/js/vendor/es6-shim/README.md index 7d08f3525..f11b72d17 100644 --- a/js/vendor/es6-shim/README.md +++ b/js/vendor/es6-shim/README.md @@ -36,7 +36,11 @@ details. * `repeat()` ([a standalone shim is also available](http://mths.be/repeat)) * `startsWith()` ([a standalone shim is also available](http://mths.be/startswith)) * `endsWith()` ([a standalone shim is also available](http://mths.be/endswith)) - * `contains()` ([a standalone shim is also available](http://mths.be/contains)) + * `includes()` ([a standalone shim is also available](http://mths.be/includes)) +* `RegExp`: + * `new RegExp`, when given a RegExp as the pattern, will no longer throw when given a "flags" string argument. (requires ES5) +* `RegExp.prototype`: + * `flags` (requires ES5) ([a standalone shim is also available](https://github.com/es-shims/RegExp.prototype.flags)) * `Number`: * `MAX_SAFE_INTEGER` * `MIN_SAFE_INTEGER` @@ -59,10 +63,7 @@ details. * `entries()` * `values()` * `Object`: - * `getPropertyDescriptor()` (ES5) - * `getPropertyNames()` (ES5) - * `getPropertyKeys()` (ES5) - * `keys()` (ES5, but no longer throws on non-object non-null/undefined values in ES6) + * `keys()` (in ES5, but no longer throws on non-object non-null/undefined values in ES6) * `is()` ([a standalone shim is also available](https://github.com/ljharb/object-is)) * `assign()` ([a standalone shim is also available](https://github.com/ljharb/object.assign)) * `setPrototypeOf()` (IE >= 11) @@ -126,7 +127,7 @@ WeakMap has a very unusual use-case so you probably won't need it at all ```javascript 'abc'.startsWith('a') // true 'abc'.endsWith('a') // false -'john alice'.contains('john') // true +'john alice'.includes('john') // true '123'.repeat(2) // '123123' Object.is(NaN, NaN) // Fixes ===. 0 isnt -0, NaN is NaN @@ -140,8 +141,8 @@ Number.isInteger(2.4) // false. Math.sign(400) // 1, 0 or -1 depending on sign. In this case 1. -[5, 10, 15, 10].find(function(item) {return item / 2 === 5;}) // 10 -[5, 10, 15, 10].findIndex(function(item) {return item / 2 === 5;}) // 1 +[5, 10, 15, 10].find(function (item) {return item / 2 === 5;}) // 10 +[5, 10, 15, 10].findIndex(function (item) {return item / 2 === 5;}) // 1 // Replacement for `{}` key-value storage. // Keys can be anything. @@ -166,20 +167,15 @@ set.delete(5) // Promises, see // http://www.slideshare.net/domenicdenicola/callbacks-promises-and-coroutines-oh-my-the-evolution-of-asynchronicity-in-javascript // https://github.com/petkaantonov/bluebird/#what-are-promises-and-why-should-i-use-them -Promise.resolve(5).then(function(value) { +Promise.resolve(5).then(function (value) { if ( ... ) throw new Error("whoops!"); // do some stuff return anotherPromise(); -}).catch(function(e) { +}).catch(function (e) { // any errors thrown asynchronously end up here }); ``` -Note that the ES6 `Promise` specification includes very few methods. -For a more useful set of utility methods -(`map`/`reduce`/`bind`/`guard`/etc), you might want to look into the -[`prfun`](https://github.com/cscott/prfun) package. - Other stuff: * [ECMAScript 6 drafts](http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts) |