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<html> <head> <meta charset="utf-8" /> <title>html</title> <script type="text/javascript"> function getNthFibonacci(num){ if(num < 2){ return num; } var first = 0; var second = 1; var third; for(var i = 2;i < num;i ++){ third = first + second; first = second; second = third; } return third; } function output(){ var number = 10; var answer = getNthFibonacci(number); document.write(answer); } </script> </head> <body> </body> <script type="text/javascript">output()</script></html>
建議不適用遞迴調用，當數字很大時，遞迴會非常耗時。
用JavaScript實現斐波拉契數列
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