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Write a JavaScript program to create a new string from a given string changing the position...

Write a JavaScript program to create a new string from a given string changing the position of first and last characters. The string length must be greater than or equal to 1.

it has to be in (HTML)

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Answer #1

<!DOCTYPE html>
<html>
<body>


<button onclick="myFunction()">Click me</button>

<p id="demo"></p>

<script>
function myFunction() {
s=prompt("Enter string");
s1=s.substr(s.length-1)+s.substr(1,s.length-2)+s.substr(0,1);
alert("After replcing "+s1);
  
}
</script>

</body>
</html>

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