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Editor to share with you how to use JavaScript to achieve watch effect, I hope you have something to gain after reading this article, let's discuss it together!

The details are as follows

Document .clock {width: 600px; height: 600px; margin: 100px auto; background: url (/ image/shizhong.jpg) 600pxamp 600px; position: relative;} .clock .h {width: 100%; height: 100%; background: url (/ image/ clockwise .jpg) no-repeat center center; background-size: 35px; z-index: 1; position: absolute; left:-3px; top:-60px } .clock .m {width: 100%; height: 100%; background: url (/ image/ minute hand .jpg) no-repeat center center; background-size: 35px; z-index: 2; position: absolute; left:-3px; top:-95px;} .clock .s {width: 100%; height: 100%; background: url (/ image/ second hand .jpg) no-repeat center center; background-size: 25px Z-index: 3; position: absolute; left:-3px; top:-95px;} var h = document.querySelector (".h") var m = document.querySelector (".m") var s = document.querySelector (".s") var s = m = h = ms = 0 SetInterval (function () {var date = new Date () ms = date.getMilliseconds () / * milliseconds * / s = date.getSeconds () + ms / 1000; m = date.getMinutes () + s / 60; h = date.getHours ()% 12 + m / 60) / * the second hand has a circle of 360 degrees in 60 seconds, 6 degrees per second * / second.style.transform = "rotate (" + s * 6 + "deg)" second.style.transformOrigin = 'center 67%' / * 60 degrees per minute with a minute hand, 6 degrees per minute * / min.style.transform = "rotate (" + m * 6 + "deg)" Min.style.transformOrigin = 'center 67%' / * walk 12 times a day at 30 degrees per hour * / hour.style.transform = "rotate (" + h * 30 + "deg)" hour.style.transformOrigin = 'center 60'} 30)

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