学习?学个屁 06c63c15cc 初始化提交 vor 10 Monaten
..
.github 06c63c15cc 初始化提交 vor 10 Monaten
test 06c63c15cc 初始化提交 vor 10 Monaten
.eslintrc 06c63c15cc 初始化提交 vor 10 Monaten
CHANGELOG.md 06c63c15cc 初始化提交 vor 10 Monaten
LICENSE 06c63c15cc 初始化提交 vor 10 Monaten
README.md 06c63c15cc 初始化提交 vor 10 Monaten
accessor.d.ts 06c63c15cc 初始化提交 vor 10 Monaten
accessor.js 06c63c15cc 初始化提交 vor 10 Monaten
index.d.ts 06c63c15cc 初始化提交 vor 10 Monaten
index.js 06c63c15cc 初始化提交 vor 10 Monaten
mutator.d.ts 06c63c15cc 初始化提交 vor 10 Monaten
mutator.js 06c63c15cc 初始化提交 vor 10 Monaten
package.json 06c63c15cc 初始化提交 vor 10 Monaten
tsconfig.json 06c63c15cc 初始化提交 vor 10 Monaten

README.md

has-proto Version Badge

github actions coverage License Downloads

npm badge

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