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JavaScript Practice Questions And Answer

Problem: Write a program to accept N number from user and check and print only Prime numbers.
Solution:

            <html>
            <html>
            <head>
             <script>
              function checkPrime()
           {
            var n = 7
            var i = 2
            while(i <= n-1)
           { 
              if(n%i == 0)
            {
              document.write("Not a prime" + "<br>")
               break
            }
              i = i + 1 
              if(i==n)
            {
              document.write("It's prime")
            }
           }
          }
             </script>
            </head>
              <body>
               <input type="button" value="Go" onclick="checkPrime()" />
              </body>
            </html>

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