带有JavaScript的斐波那契系列

问题描述

var var1 = 0;
var var2 = 1;
var var3;

var num = 20;

document.write(var1 + "<br />");
document.write(var2 + "<br />");

for (var i = 3; i <= num; i++) {
  var3 = var1 + var2;
  var1 = var2;
  var2 = var3;

  document.write(var3 + "<br />");
}

最好，我正在做Fibonacci系列，但是我想看到一条带有提示的消息，因此您可以填写一个数字，然后填写Fibonacci系列的收益.谁能帮助我?我现在上面有.

Best, I'm doing a Fibonacci Series, but I want to see a message with prompt comes up, so you can fill in a number, then the returns with the Fibonacci Series. Who would be able to help me? Above I have now.

推荐答案

我已经创建了演示，希望对您有所帮助.

I have created demo, hope it will help you.

var i;
var fib = [0, 1];
var limit = window.prompt('Enter the limit for your series:', '');
for (i = 2; i < parseInt(limit); i++) {
    fib[i] = fib[i - 2] + fib[i - 1];
}
console.log(fib);

演示链接

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