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- <html>
- <head><title>FACTORIAL</title>
- <script>
- function fact(){
- var num,fact=1,i;
- num=Number(document.getElementById("factorial").value);
- for(i=1;i<=num;i++)
- { fact=fact*i;
- }
- document.getElementById("result").value=fact;
- }
- </script>
- </head>
- <body>
- <label>Enter Number:</label>
- <input type="text" id="factorial"><br>
- <button onclick="fact()">CALCULATE</button>
- <input type="text" id="result">
- </body>
- </html>
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