function API: function.name in depth

in depth, special cases

WHEN binding a function THEN the bound-function's name gets prefixed with "bound"

const weBoundFn = (() => {}).bind(null); assert.equal(weBoundFn.name, 'bound ');

WHEN creating a Function instance THEN the name is "anonymous"

const fn = (new Function()).bind(null); assert.equal(fn.name, 'bound anonymous');

Links

spec docs The specification text, this property was introduced with this version of JavaScript.
mdn docs The MDN pages describing this property, easy to read with examples.

Required Knowledge

• `function.bind()` (function API)
• basics (Arrow functions)
• `const` declaration (Block scope)
• `function.name` (function API)

Related Katas

function API

• function.length (as introduced in ES1)
• function.bind()
• function.length (with ES5 features)
• function.length (with ES6 features)
• function.name

Arrow functions

• basics
• function binding

Async Function

• basics

Difficulty Level

ADVANCED

Stats

2 tests to solve