👈 Tips and Tricks

Detect when your site is visible to users

document.onvisibilitychange = function () {
          document.visibilityState === "visible"
             ? (document.title = "👋 Hello")
             : (document.title = "😟 Bye!");
       };

Có thể bạn đã miss một số snippets code

Extend Object javascript

Extend Object javascript

Merge Array

How to combine two sorted arrays into one? We can do this easily with the spread operator.

Spread Operator for Objects

Using the spread operator during an Object declaration will assign the properties of the referenced Object to the new Object.

Kiểm tra phần tử trùng trong mảng JavaScript

Kiểm tra phần tử trùng trong mảng JavaScript.

closure javascript

closure javascript