学习?学个屁 06c63c15cc 初始化提交 11 hónapja
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README.md 06c63c15cc 初始化提交 11 hónapja
accessor.d.ts 06c63c15cc 初始化提交 11 hónapja
accessor.js 06c63c15cc 初始化提交 11 hónapja
index.d.ts 06c63c15cc 初始化提交 11 hónapja
index.js 06c63c15cc 初始化提交 11 hónapja
mutator.d.ts 06c63c15cc 初始化提交 11 hónapja
mutator.js 06c63c15cc 初始化提交 11 hónapja
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README.md

has-proto Version Badge

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Does this environment have the ability to set the [[Prototype]] of an object on creation with __proto__?

Example

var hasProto = require('has-proto');
var assert = require('assert');

assert.equal(typeof hasProto(), 'boolean');

var hasProtoAccessor = require('has-proto/accessor')();
if (hasProtoAccessor) {
	assert.equal([].__proto__, Array.prototype);
} else {
	assert(!('__proto__' in Object.prototype));
}

var hasProtoMutator = require('has-proto/mutator');
var obj = {};
assert('toString' in obj);

obj.__proto__ = null;
if (hasProtoMutator) {
	assert(!('toString' in obj));
} else {
	assert('toString' in obj);
	assert.equal(obj.__proto__, null);
}

Tests

Simply clone the repo, npm install, and run npm test