Arcane JavaScript Knowledge Still Useful

ES6 has been with us for 2 years. ES2016 and ES2017 are standard practice. ES2018 is just around the corner.
And yet, sometimes you still need JavaScript practices so arcane you’ve almost forgotten they exist. Such was the case with a production bug we discovered after a performance optimization.

Link: https://dzone.com/articles/arcane-javascript-knowledge-still-useful?utm_medium=feed&utm_source=feedpress.me&utm_campaign=Feed%3A+dzone%2Fwebdev