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- <!DOCTYPE html>
- <html>
- <head>
- <script type="text/javascript" language="javascript">
- function reverseString()
- {
- var varNum=Number(document.getElementById('txtBox').value);
- var temp;
- var newStr="";
- while(varNum!=0)
- {
- temp=varNum%10;
- newStr=newStr+temp;
- varNum=Math.floor(varNum/10);
- }
- alert(newStr);
- }
- function findFactorial()
- {
- var varNum=Number(document.getElementById('txtBox').value);
- var tempVar=1;
- for(var i=1;i<=varNum;i++)
- {
- tempVar=tempVar*i;
- }
- document.getElementById('div1').innerHTML="Factorial of " + varNum + " = " + tempVar;
- }
- </script>
- </head>
- <body>
- <label for="txtBox">Enter a string : </label><input type="text" name="txtBox" id="txtBox"><br>
- <button type="button" onclick="reverseString()">Reverse</button>
- <button type="button" onclick="findFactorial()">Factorial</button>
- <div id="div1">
- </div>
- </body>
- </html>
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