用js做九九乘法表怎么做????
2个回答
展开全部
javascript方式：
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>99乘法表</title>
<script type="text/javascript">
document.write("<center><table border=\"3\">");
for (i = 1; i <= 9; i++) {
document.write("<tr>");
for (j = 1; j <= 9; j++) {
if (j <= i) {
document.write("<td>" + i + "*" + j + "=" + i * j + "</td>")
} else
document.write("<td> </td>");
}
document.write("</tr>");
}
document.write("</table></center>");
</script>
</head>
<body>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>99乘法表</title>
<script type="text/javascript">
document.write("<center><table border=\"3\">");
for (i = 1; i <= 9; i++) {
document.write("<tr>");
for (j = 1; j <= 9; j++) {
if (j <= i) {
document.write("<td>" + i + "*" + j + "=" + i * j + "</td>")
} else
document.write("<td> </td>");
}
document.write("</tr>");
}
document.write("</table></center>");
</script>
</head>
<body>
</body>
</html>
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展开全部
<script type="text/javascript">
var i,j;
for(i=1;i<10;i++){
for(j=1;j<=i;j++){
document.write(j);
document.write('*');
document.write(i);
document.write('=');
document.write(i*j);
document.write(' ');
}
document.write('<br/>');
}
</script>
var i,j;
for(i=1;i<10;i++){
for(j=1;j<=i;j++){
document.write(j);
document.write('*');
document.write(i);
document.write('=');
document.write(i*j);
document.write(' ');
}
document.write('<br/>');
}
</script>
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