This article describes how to implement the second kill in javascript and how to display the countdown of group purchases. If you need it, you can refer to the second kill of a house recently, the e-commerce website for group purchases (The House also has flash sales, but the flash sales are not small). There is a countdown to flash sales, mainly to determine how long the flash sales start from the current time, there are also various presentations on the beginning and end of the second kill.
The most important point is that the current time cannot be obtained by the browser through the new Date () Client time, so that as long as the user modifies his machine time, the countdown will be messy, therefore, the current time must use the server time, so the static cache page is used. Therefore, the current time is obtained using ajax.
The Code is as follows:
.
From the beginning of the activity, there are:
.
Participate in seckilling !!!
.
