【问题标题】:How to print Multiplication Table by using html tables (Code is in Javascript)?如何使用 html 表打印乘法表(代码在 Javascript 中)?
【发布时间】:2018-08-30 08:57:53
【问题描述】:
这是我的代码 i,它运行良好。我只是想通过使用 Html 表格来打印表格,并且还想在其上应用引导程序以添加边框,以 HTML TABLE 形式的乘法表,每行作为表格行“tr”。表应由引导表边界类设置样式。
<!DOCTYPE html>
<html>
<head>
<title>Multiplication Table</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
</head>
<body>
<h2>MultiplicationTable</h2
<form action>
Table Number:<br>
<input type="text" id="TN" name="TableNumber">
<br>
Initial Number:<br>
<input type="text" id="IN" name="InitialNumber">
<br>
Ending Number:<br>
<input type="text" id="EN" name="EndingNumber">
</form>
<br><br>
<button onclick="myFunction()">Print Table</button>
<p id="MT"></p>
<script>
function myFunction()
{
var text = "";
var Number = document.getElementById("TN").value;
var T;
var I = document.getElementById("IN").value;
var E = document.getElementById("EN").value;
for (T = I; T <= E; T++) {
text += Number + "*" + T + "=" + Number*T + "<br>";
}
document.getElementById("MT").innerHTML = text;
}
</script>
【问题讨论】:
标签:
javascript
html
css
html-table
bootstrap-4
【解决方案1】:
function myFunction()
{
var Number = document.getElementById("TN").value;
var T;
var I = document.getElementById("IN").value;
var E = document.getElementById("EN").value;
var temp="";
for (T = I; T <= E; T++) {
temp+="<tr><td>"+Number+"</td><td>*</td><td>" + T + "</td><td>=</td><td>" + Number*T +"</td></tr>";
}
$("#displayTables").append(temp);
}
<!DOCTYPE html>
<html>
<head>
<title>Multiplication Table</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
</head>
<body>
<h2>MultiplicationTable</h2
<form action>
Table Number:<br>
<input type="text" id="TN" name="TableNumber">
<br>
Initial Number:<br>
<input type="text" id="IN" name="InitialNumber">
<br>
Ending Number:<br>
<input type="text" id="EN" name="EndingNumber">
</form>
<br><br>
<button onclick="myFunction()">Print Table</button>
<table class="table table-bordered" id="displayTables">
</table>
【讨论】:
-
是的,这行得通,但是桌子吃的只是静态和简单的,而且表格边框不起作用我想像
【解决方案2】:
使用 JavaScript 的简单表格。
代码放在这里 -
<!DOCTYPE html>
<html>
<head>
<title>multiplication table</title>
</head>
<body>
<script type="text/javascript">
var i, j;
var m = 1;
for (i = 1; i <= 10; i++) {
for (j = 1; j <= 10; j++) {
document.write(i * j);
}
document.write("<br/>");
}
</script>
</body>
</html>