防抖
代码语言:javascript复制<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<input type="submit" value="send" onclick="send()">
</body>
<script>
function send() {
debounce(() => {
console.log('1')
}, 2000)()
}
const debounce = (fn, delay) => {
let timer = null;
return () => {
clearTimeout(timer);
timer = setTimeout(() => {
fn.apply(this)
}, delay)
}
}
</script>
</html>
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时间转化
代码语言:javascript复制<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
</body>
<script type="text/javascript">
// 将秒化为时分秒
formateSeconds(endTime) {
let secondTime = parseInt(endTime); //将传入的秒的值转化为Number
let min = 0; // 初始化分
let h = 0; // 初始化小时
let result = "";
if (secondTime > 60) {
//如果秒数大于60,将秒数转换成整数
min = parseInt(secondTime / 60); //获取分钟,除以60取整数,得到整数分钟
secondTime = parseInt(secondTime % 60); //获取秒数,秒数取佘,得到整数秒数
if (min > 60) {
//如果分钟大于60,将分钟转换成小时
h = parseInt(min / 60); //获取小时,获取分钟除以60,得到整数小时
min = parseInt(min % 60); //获取小时后取佘的分,获取分钟除以60取佘的分
}
}
result = `${h.toString().padStart(2, "0")}:${min.toString().padStart(2, "0")}:${secondTime.toString().padStart(2, "0")}`;
return result;
},
// 将时分秒化为秒
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更多内容请见原文,原文转载自:http://www.mark-to-win.com/tutorial/50903.html