mathiasbynens/string.prototype.incl...

Robustly `.call.bind()` a function

Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.

ECMAScript spec abstract operations.

Loosely test a package's compliance with the es-shim API

My shareable eslint config

Does this JS environment support the `name` property on functions?

Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use cases including unit tests, server side functional tests and browser tests. Built for scale

tap-producing test harness for node and browsers

Given an object and a property, replaces a property descriptor (or deletes it), and returns a thunk to restore it.