Does javascript call system time function?

Yes, JavaScript has a built-in Date object that can be used to get the current system time. Here are a few examples:

1. Get the current date and time:

var currentDate = new Date();
console.log(currentDate);

Output:

Tue Jun 15 2021 09:57:31 GMT+0800 (China Standard Time)

2. Get the current date:

var currentDate = new Date();
var year = currentDate.getFullYear();
var month = currentDate.getMonth() + 1;
var day = currentDate.getDate();
console.log(year + "-" + month + "-" + day);

Output:

2021-6-15

3. Get the current time:

var currentDate = new Date();
var hours = currentDate.getHours();
var minutes = currentDate.getMinutes();
var seconds = currentDate.getSeconds();
console.log(hours + ":" + minutes + ":" + seconds);

Output:

9:57:31

It should be noted that the Date object returns The time is based on the local time of the user's computer. If you need to get the server time, you need to send an AJAX request to the server and get the time in its response.

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