Michał Perłakowski

Michał Perłakowski has asked 19 questions and find answers to 132 problems.

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addEventListener vs onclick
What does the construct x = x || y mean?
What's the difference between using “let” and “var” to declare a variable?

Email: michal.perlakowski AT gmail.com

Michał Perłakowski questions

Select from subquery and join on subquery in Esqueleto
Can I create an object for which Array.isArray() returns true without using the Array constructor or array literal?
Why does this code throw ReferenceError: test is not defined?
Array.prototype.forEach() not working when called on a proxy with a get handler
group_concat with multiple joins in MySQL
How can I bundle my tests which use Sinon.js using Rollup.js?
Why does Object.keys() and Object.getOwnPropertyNames() produce different output when called on a Proxy object with ownKeys handler?
console.log() called on object other than console
Output an ES module using webpack

Michał Perłakowski answers

Regex for a string made only of repeated chars
"SyntaxError: Unexpected token )" in Node.js
Does ReasonML support async/await?
Create a JavaScript object from string
Javascript: point-free style in callback
Move HTML children elements out of parent and remove the parent element
All pairs in an ES6 Map
Do I need a semicolon after a named export function declaration
How to get all functions of es6 class instance [duplicate]
What does [ ] stand for? [duplicate]