Can someone help me fix my code? If a number is odd, number = number * 2 - 1 If a number is even, number = number * 3 + 1 <html> <head> <title> Hailstone Sequence </title> <script type="text/javascript"> function Countdown() // Assumes: document.CountForm.count contains a number // Results: displays countdown from that number in document.CountForm.Output { var count; count = parseFloat(document.CountForm.count.value); // GET INITIAL VALUE document.CountForm.Output.value = ""; // CLEAR TEXT AREA if (count%2 == 0) document.CountForm.Output.value = document.CountForm.Output.value + count + "\n"; count = count*3+1 else (count%2 =/= 0) document.CountForm.Output.value = document.CountForm.Output.value + count + "\n"; count = (count/2) while (count > 0) { // WHILE NOT AT 0, document.CountForm.Output.value = // DISPLAY COUNT document.CountForm.Output.value + count + "\n"; count = count - 1; // AND DECREMENT } document.CountForm.Output.value = document.CountForm.Output.value + "STUCK!"; } </script> </head> <body> <div style="text-align:center"> <form name="CountForm"> Start of the sequence: <input type="text" name="count" size=4 value=10 /> <br /><br /> <input type="button" value="Begin Hailstone Sequence" onClick="Countdown();" /> <br /><br /> <textarea name="Output" rows=15 cols=40 wrap="virtual"></textarea> </form> </div> </body> </html>
if (count%2 == 0){ document.CountForm.Output.value = document.CountForm.Output.value + count + "\n"; count = count*3+1; } if(count%2 != 0)){ document.CountForm.Output.value = document.CountForm.Output.value + count + "\n"; count = (count*2)-1; } PHP: Maybe so fixes like this.