René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"29-Countdown Timer 结束时间无法正确显示","articleBody":"# 问题\r\n页面加载一段时间后再点击创建定时器的按钮，显示的结束时间与实际情况不符。\r\n\r\n# 解决\r\n用于获取当前时间的实例 `date` 在页面加载时就已作为全局变量创建，并且之后无法更新，计时结束的时间均以页面加载的时刻为基准计算，导致出现错误。\r\n可将 `Date` 实例的创建放在 `updateTime` 函数内，每次点击按钮就重新获取当前时间：\r\n```js\r\nfunction updateTime(delta){\r\n    let currentTime = new Date().getTime();\r\n    left = left + parseInt(delta,0);\r\n    end = currentTime + left*1000;\r\n    leftTime.innerHTML = left;\r\n    endTime.innerHTML =new Date(end).toLocaleTimeString();\r\n}\r\n```\r\n\r\n\u003e 位置\r\nhttps://github.com/soyaine/JavaScript30/blob/1b044bc6610cbb131d897d9a3cc814372a414018/29%20-%20Countdown%20Timer/scripts-START.js#L38","author":{"url":"https://github.com/GArosy","@type":"Person","name":"GArosy"},"datePublished":"2022-06-01T10:51:09.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/64/JavaScript30/issues/64"}