我试图找出一个数字是否是一个完美的数字,但我无法正确打印它。数字6、496、8128是完美数字,但是当我输入这些数字时,它会从var res2
而不是var res1
打印。这是什么问题,任何人都可以帮忙吗?
function perfectNo(number) {
var temp = 0;
var res1 = "It is a perfect number";
var res2 = "It is not a perfect number";
for (var i = 1; i <= number / 2; i++) {
if (number % i == 0) {
temp += i;
}
}
if (temp == number && temp != 0) {
document.getElementById("results").innerHTML = res1;
} else {
document.getElementById("results").innerHTML = res2;
}
}
<input id="num">
<input type="button" onclick="perfectNo()" value="check">
<br>
<p>Answer:</p>
<p id="results"></p>
<br>
最佳答案
尝试:
var number = document.getElementById("num").value;
像这样 :
function perfectNo() {
var number = document.getElementById("num").value;
console.log(number);
var temp = 0;
var res1 = "It is a perfect number";
var res2 = "It is not a perfect number";
for (var i = 1; i <= number / 2; i++) {
if (number % i == 0) {
temp += i;
}
}
if (temp == number && temp != 0) {
document.getElementById("results").innerHTML = res1;
} else {
document.getElementById("results").innerHTML = res2;
}
}
<input id="num">
<input type="button" onclick="perfectNo()" value="check">
<br>
<p>Answer:</p>
<p id="results"></p>
<br>
关于javascript - 尝试使用getElementById在Javascript中打印正确的答案,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/39555459/