JavaScript/for loop.html at main · kishan80090/JavaScript · GitHub

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<!DOCTYPE html>

<html>
<head>
<title>For Loop</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
 <script>
 function f1()
 {
 var div=document.getElementById("output");
 var output="",n=10;
 for(var i=1;i<=n;i++)
 {
 output = output + i + ",";
 }
 div.innerHTML=output;
 }
 function f2()
 {
 var div=document.getElementById("output");
 var output="",n=10;
 for(var i=n;i>=1;i--)
 {
 output =output + i + ",";
 }
 div.innerHTML=output;
 }
 </script>
</head>
<body>
 Output<div id="output"></div><br/>

 <input type="button" value="Forward Loop" onclick="f1()"><br/>
 <input type="button" value="Backward Loop" onclick="f2()"><br/>
</body>
</html>