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This article mainly introduces how to use JavaScript to write the current date of the implementation of the relevant knowledge, the content is detailed and easy to understand, the operation is simple and fast, with a certain reference value, I believe that everyone after reading this article on the current date of how to use JavaScript to write the implementation of the update will have a harvest, let's take a look.

If the update is implemented, then the timer setInterval must be used.

Var date = new Date (); / / define the current time of date extraction first

Var year = date.getFullYear (); / / define a year hosting year

Var month = date.getMonth () + 1; / / because the month of the time object is calculated from 0, so here is + 1.

Var days = date.getDate (); / / Day

Var hour = date.getHours (); / / hour

Hour = hour < 10?'0' + hour: the hour; ternary operator determines whether a 0 needs to be added for an hour, such as when it is displayed as 09:25 at 9:25

Var min = date.getMinutes (); / / min

Min = min < 10?'0' + min: min; / / determine whether the minute needs to be filled with 0

Var sec = date.getSeconds (); / / second

Sec = sec < 10?'0' + sec: sec; / / determine whether the second needs to be filled with 0

Var week = date.getDay () / / 0-60 is Sunday

Var weekArr = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]

Create an array that corresponds to the array's subscript 0 when week is 0, which is Sunday.

Document.body [XSS _ clean] =-- ${year} year ${month} month ${days} day ${hour}: ${min}: ${sec} ${weekArr [week]}--

Finally, the code is put into the timer, and the update is implemented once a second.

SetInterval (function () {}, 1000)

This is the end of the article on "how to write the current date for the implementation of the update in JavaScript". Thank you for reading! I believe you all have a certain understanding of "how to use JavaScript to write down the current date for the implementation of the update". If you want to learn more, you are welcome to follow the industry information channel.

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