object-keys

#对象键

一个目标 钥匙闪了 启动其“ shim” 方法以 shim Object. keys 如果无法使用的话 .

最常见的用途:

var keys = Object.keys || require('object-keys');

示例

var keys = require('object-keys');
var assert = require('assert');
var obj = {
    a: true,
    b: true,
    c: true
};

assert.deepEqual(keys(obj), ['a', 'b', 'c']);

var keys = require('object-keys');
var assert = require('assert');
/* when Object.keys is not present */
delete Object.keys;
var shimmedKeys = keys.shim();
assert.equal(shimmedKeys, keys);
assert.deepEqual(Object.keys(obj), keys(obj));

var keys = require('object-keys');
var assert = require('assert');
/* when Object.keys is present */
var shimmedKeys = keys.shim();
assert.equal(shimmedKeys, Object.keys);
assert.deepEqual(Object.keys(obj), keys(obj));

来源

直接取自 是5岁的修改,包括 摇篮。 。 。 .

测试

仅仅复制回转, npm install运行 npm test