Calculate the number of difference days between two dates

const diffDays = (date, otherDate) => Math.ceil(Math.abs(date - otherDate) / (1000 * 60 * 60 * 24));

// diffDays(new Date('2014-12-19'), new Date('2020-01-01')) === 1839

Có thể bạn đã miss một số snippets code

Spread Operator for Objects

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

Đếm có bao nhiêu items giống nhau trong một array

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

Calculate the number of difference days between two dates

Await in a for loop

How to Await in a for loop

formatdate js

JavaScript’s Date() function object contains a long list of methods that can be used to manipulate the date outcome