Loops in JavaScript

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Program 1

<html>
    <head><title>Demo for Loops in JavaScript</title>
       <script langugage="javascript">
                 var i,n,j
                 n=parseInt(prompt("Enter a limit"))
                 for(i=1;i<=n;i++)
                 {
                    for(j=1;j<=i;j++) 
                  {  
                     document.write("<center>")
                     document.write("<font color=red size=8>")   
                     document.write("*")
                    document.write("</font>")   
                    document.write("</center>")
                  }
               }
        </script>
    </head>
    <body>

    </body>
</html>

Program 2

<html>
    <head><title>Demo for Loops in JavaScript</title>
       <script langugage="javascript">
               var n,r,s=0,m
                n=parseInt(prompt("Enter a number"))
                m=n
                document.write("<center>")
                 document.write("<font color=blue size=5>")   
                while(n!=0)
               { 
                 
                    r=parseInt(n%10)
                    r=parseInt(r)
                    //s=s+r
                    s=(s*10)+r
                    n=parseInt(n/10)
               } 
               if(m==s)
               document.write(" No is palindrom") 
               else
               document.write(" No is not palindrom") 
               
                // document.write("Reverse is: ")   
                // document.write(s)   
                 document.write("</font>")   
                 document.write("</center>")
                  
                
        </script>
    </head>
    <body>
      
    </body>
</html>

 

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DataFlair Team

DataFlair Team provides high-impact content on programming, Java, Python, C++, DSA, AI, ML, data Science, Android, Flutter, MERN, Web Development, and technology. We make complex concepts easy to grasp, helping learners of all levels succeed in their tech careers.

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