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JavaScript

Do-While Loop Using JavaScript

I wrote this program to ask the user to give a number and then it will display the series of numbers using the do-while loop statement in JavaScript programming language.

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Sample Program Output
Sample Program Output
<html>
 <head>
   <title>Do-While Loop Using JavaScript</title>
</head>   
<style>
    body {
        font-family: Arial, Helvetica, sans-serif;
        size:15px;
    }
</style>
<body>

    <h2>Do-While Loop Using JavaScript</h2>
    <p> Written By Jake R. Pomperada</p>
    
   Give a Number &nbsp;&nbsp;<input id="num_val" value="" />


     <br><br>
    <button onclick="Check()">Ok</button>
    <br>
    <p id="demo"></p>
    
    <script>
        // March 22, 2020    3:08 PM
        // Bacolod City, Negros Occidental
    function Check() {
      var num_val, result="";
      var i = 1;
      num_val = Number(document.getElementById("num_val").value);
       
       do 
       {
          result += "<br>The number is " + i +".";
          i++;
       } while (i <= num_val);

      document.getElementById("demo").innerHTML = result;
    }
    </script>
</body>
</html>

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