htc 7ca38fdcbb 善行少年PC端首次提交(基础版) vor 10 Monaten
..
.github 7ca38fdcbb 善行少年PC端首次提交(基础版) vor 10 Monaten
test 7ca38fdcbb 善行少年PC端首次提交(基础版) vor 10 Monaten
.eslintrc 7ca38fdcbb 善行少年PC端首次提交(基础版) vor 10 Monaten
CHANGELOG.md 7ca38fdcbb 善行少年PC端首次提交(基础版) vor 10 Monaten
LICENSE 7ca38fdcbb 善行少年PC端首次提交(基础版) vor 10 Monaten
README.md 7ca38fdcbb 善行少年PC端首次提交(基础版) vor 10 Monaten
accessor.d.ts 7ca38fdcbb 善行少年PC端首次提交(基础版) vor 10 Monaten
accessor.js 7ca38fdcbb 善行少年PC端首次提交(基础版) vor 10 Monaten
index.d.ts 7ca38fdcbb 善行少年PC端首次提交(基础版) vor 10 Monaten
index.js 7ca38fdcbb 善行少年PC端首次提交(基础版) vor 10 Monaten
mutator.d.ts 7ca38fdcbb 善行少年PC端首次提交(基础版) vor 10 Monaten
mutator.js 7ca38fdcbb 善行少年PC端首次提交(基础版) vor 10 Monaten
package.json 7ca38fdcbb 善行少年PC端首次提交(基础版) vor 10 Monaten
tsconfig.json 7ca38fdcbb 善行少年PC端首次提交(基础版) 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