我正在建立一个项目，帮助学校的孩子学习如何更快地阅读。我在这里和那里借用了一些代码，并混淆了计时器和文本生成器。
现在我正在尝试构建一个函数来生成最新阅读时间的摘要(以便他们可以看到进度(，也许是以<ol>的形式，我想我需要迭代一个数组，推入它然后显示，但这些似乎都不起作用。
function startTime() {
var today = new Date();
var h = today.getHours();
var m = today.getMinutes();
var s = today.getSeconds();
var ampm = "";
m = checkTime(m);
if (h > 12) {
h = h - 12;
ampm = " PM";
} else if (h == 12) {
h = 12;
ampm = " AM";
} else if (h < 12) {
ampm = " AM";
} else {
ampm = "PM";
};
if (h == 0) {
h = 12;
}
document.getElementById('display').innerHTML = h + ":" + m + ampm;
var t = setTimeout(function() {
startTime()
}, 500);
}
function checkTime(i) {
if (i < 10) {
i = "0" + i
};
return i;
}
function startDate() {
var d = new Date();
var days = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
document.getElementById("date").innerHTML = days[d.getDay()] + " | " + [d.getMonth() + 1] + "/" + d.getDate() + "/" + d.getFullYear();
}
var quotes = ["",
""Dude, suckin' at something is the first step at being sorta good at something."<br>- Jake <small><em>(Adventure Time)</em></small>",
""Either I will find a way, or I will make one."<br> - Philip Sidney",
""Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time."<br>- Thomas A. Edison",
""You are never too old to set another goal or to dream a new dream."<br>- C.S Lewis",
""If you can dream it, you can do it."<br>- Walt Disney",
""Never give up, for that is just the place and time that the tide will turn."<br>- Harriet Beecher Stowe",
""I know where I'm going and I know the truth, and I don't have to be what you want me to be. I'm free to be what I want."<br>- Muhammad Ali",
""If you always put limit on everything you do, physical or anything else. It will spread into your work and into your life. There are no limits. There are only plateaus, and you must not stay there, you must go beyond them."<br>- Bruce Lee",
];
function genQuote() {
var quote = document.getElementById("quote");
var generate = document.getElementById("gen");
generate.addEventListener("click", changeText);
quote.innerHTML = quotes[0];
function changeText() {
var searchTerm = quote.innerHTML;
var index = quotes.indexOf(searchTerm) + 1;
if (index == quotes.length) index = 0;
var result = quotes[index];
quote.innerHTML = result;
return;
}
}
var startTime, endTime;
function start() {
startTime = performance.now();
};
function end() {
endTime = performance.now();
var timeDiff = endTime - startTime;
timeDiff /= 1000;
var seconds = Math.round(timeDiff);
var minutes = Math.round(seconds / 60);
document.getElementById("quote").innerHTML = ("You have read for:" + " " + minutes + " minutes" + " " + seconds + " seconds");
setTimeout(function() {
location.reload();;
}, 5000);
}
function report() {
// results = [];
// times = document.getElementById("quote").innerHTML;
// for (i=0; i <= times.length; i++) {
// results.push(i);
// return results;
// }
}<div id="display"></div>
<div id="date"></div>
<div id="quote"></div>
<div id="get"></div><!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
<link rel="manifest" href="/site.webmanifest">
<title>2 Cool 4 School</title>
<link rel="stylesheet" href="style.css">
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css" integrity="sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk" crossorigin="anonymous">
<link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
</head>
<body>
<body onload="startTime(); startDate()">
<div class="container">
<div id="date"></div>
<div id="display"></div>
<div id="content">
<p id="quote">"the people who are crazy enough to think they can change the world are the ones who do." <br/>- Steve Jobs</p>
</div>
</div>
<div id="b-nav">
<ul>
<button id="genone"class="btn btn-outline-primary" onclick="start()">Start</button>
<button id="gen" onclick="genQuote()">Continue reading</button>
<button id="genthree" class="btn btn-outline-success" onclick="report()">History</button>
<button id="gentwo" class="btn btn-outline-secondary" onclick="end()">End</button>
</ul>
</div>
</body>
<script src="script.js"></script>
</html>
现在，当我单击星星时，计时器会运行，当我单击"结束"之后，我会收到"您已阅读：0 分 4 秒">
我想得到这样的报告：
- 您已阅读： 3 分 30 秒
- 您已阅读： 2 分 50 秒
- 您已阅读： 1 分 40 秒
等希望有帮助(对不起，我没有收到片段的东西(
最大的问题是将"返回结果;"放在循环中。 这意味着您的循环永远不会完全执行。 将其移出您的循环。
其次，你的 report(( 函数只会返回一串数字，[0,1,2,3,4...]，这可能不是你要找的。