When executing lengthy 'for' statements, don't make the engine work any harder than it must.
It is highly inefficient to traverse the DOM to find the 'container'.
That's the reason you must always declare a variable outside the 'for' loop! pic.twitter.com/kArmUVSV78

— Devesh (@Deveshb15) June 16, 2021

JavaScript Tip\U0001f530

Copy to Clipboard button in JavaScript!\xa9 pic.twitter.com/VLgM8C99ER

— Devesh (@Deveshb15) May 10, 2021

Use splice instead of using delete to delete an item from an array. Using delete replaces the item with undefined instead of removing it from the array.
The delete method should be used to delete an object property. pic.twitter.com/ntMLWNVVFN

— Devesh (@Deveshb15) July 2, 2021

Create an array of unique values in JavaScript i.e. remove duplicates\U0001f530

We can create a new array containing only the unique values by using the Set object with the Spread operator. pic.twitter.com/3epttOha44

— Devesh (@Deveshb15) May 31, 2021