从用户和印刷明星那里获取信息 [英] Taking input from user and printing stars
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问题描述
Hi,
I am trying to create a program in HTML using JavaScript. In which i want to take input from user in number and want to print the stars "*" of that number.
Kindly help and reply me with the accurate code.
Thanks
My Code is:
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Untitled Document</title>
</head>
<script>
function PrintStars() {
var x = 0;
var y = 10;
for(x=0;x<10;x++)
{
for(y=0;y<=x;y=y+1)
{
document.getElementById("TableArea").innerHTML="<br>" + document.getElementById("etext").value;
document.write = "*";
}
}
}
</script>
<body>
Enter a Number: <input id="etext" type="text" placeholder="Enter a number here"/>
<p id="TableArea"></p>
<input type="button" Value="Print" onclick="PrintStars();"/>
</body>
</html>
推荐答案
试试这个
Javascript：
Try this
Javascript:
<script>
function PrintStars() {
var _count = document.getElementById("etext").value;
var count = parseInt(_count);
document.getElementById("TableArea").innerHTML = "<br>" + count;
var star = '';
for (var i = 0; i < count; i++) {
star += '*';
}
document.getElementById("spandisplay").innerHTML = star;
}
</script>
HTML：
HTML:
<div>
Enter a Number:
<input id="etext" type="text" placeholder="Enter a number here" />
<p id="TableArea"></p>
<input type="button" value="Print" onclick="PrintStars();" />
<span id="spandisplay"></span>
</div>
这已经是之前询问并回答 [ ^ ]。
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