I wish to build a very simple web page which generates a random number (integer) corresponding to three parameters provided by the user:
- A bottom limit number (the output can't be smaller than this number).
- An upper limit number (the output can't be bigger than this number).
- A value between 1 and 9 that defines the number of digits composing the number (length). For example, if the number was set to be anywhere between 1 and 999, this parameter will define whether the resulting number will be somewhere between 1 and 9, 10 and 99, and 100 and 999.
So far, this is what I have:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<form name="settings">
How many numbers should be generated? <input type="number" min="1" max="6" name="numbers"/>
<br/>
Smallest number in the range <input type="number" min="1" max="999998" name="lownum"/>
<br/>
Biggest number in the range <input type="number" min="2" max="999999" name="highnum"/>
<input type="submit" onclick="validate()">
</form>
<script>
function validate(){
if(parseInt(document.settings.lownum.value)>parseInt(document.settings.highnum.value))
{
alert("!");
}
else
{
alert(generator());
}
}
function generator() {
var min = parseInt(document.settings.lownum.value);
var max = parseInt(document.settings.highnum.value);
return Math.floor(Math.random() * (max - min +1)) + min
}
</script>
</body>
</html>
I think I got the lower/upper limit figured out, but I can't say the same regarding the number of digits.
Thanks!
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