encode/decode base64 with JS

Encoding to base64 is done with the btoa command

btoa("This is a test.")
> "VGhpcyBpcyBhIHRlc3Qu"

To decode a base64 encoded string, use the atob command

atob("VGhpcyBpcyBhIHRlc3Qu")
> "This is a test."

Có thể bạn đã miss một số snippets code

Đếm có bao nhiêu items giống nhau trong một array

reduce javascript. Đếm có bao nhiêu items giống nhau trong một array

await axios get

Hàm lày ngày trong tuần javascript

How to reverse an Array?

Reversing an array in JS is really simple with the standard array method. Like below

Rest Operator for Objects

Now we can use rest on the properties of an Object. It allows us to explicitly extract certain named variables, and assign any uncalled variables into a catchall Object.