Swap two Number Program in JavaScript - In this program, we write how to swap two number using third variable in javascript. Swapping two numbers in javascript program to swap variable values without using a temporary variable. Swap program means the value of one variable is assigned to another and vice versa.
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| Swap Program in JavaScript |
Example of Swap Program in JavaScript:
<html><head>
<title> Swap Program in JavaScript</title>
</head>
<style>
body{
background-color:#f47a42;
color: white;
width:500px;
height:200px;
border:1px solid black;
position:absolute;
top:150px;
left:100px;
}
</style>
<h1><center>Simple Swap Number Program</center></h1>
<script type="text/javascript">
function swap(){
var a,b,c;
a=Number(document.getElementById("first").value);
b=Number(document.getElementById("second").value);
c=a;
a=b;
b=c;
document.getElementById("answer1").value= a;
document.getElementById("answer2").value= b;
}
</script>
Value of a: <input id="first">
Value of b: <input id="second"></br></br>
<button onclick="swap()">Swap</button></br></br>
Value of a: <input id="answer1">
Value of b: <input id="answer2">
</body>
</html>
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