JS implements real-time feedback of the current time function
This time I will bring you JS to realize the real-time feedback of the current time function. What are the precautions for JS to realize the real-time feedback of the current time function? The following is a practical case, let’s take a look.
UsejavascriptFeedback system time
Apply knowledge JavaScript HTML DOM The setInterval() method in HTML DOM will continue to call the SyntaxsetInterval(code,milliseconds)
setInterval(function(){myTimer()},1000)
new Date()//获得当前时间
.toLocaleTimeString()//根据本地时间把Date对象的时间部分转换为字符串
.getElementById("clock")//返回带有指定 ID 的元素
.innerHTML=c; //将c返回给指定元素<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<p id="clock"></p>
</body>
<script>
var a = setInterval(function(){myTimer()},1000);
function myTimer(){
var b = new Date();
var c = b.toLocaleTimeString();
document.getElementById("clock").innerHTML=c;
}
</script>
</html>The above is the detailed content of JS implements real-time feedback of the current time function. For more information, please follow other related articles on the PHP Chinese website!
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