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

formatdate js

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

Đếm có bao nhiêu items giống nhau trong một array

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

Promise + gì

promise + gì

Calculate the number of difference days between two dates

jQuery on hover

Jquery on mouse over example.