The live example link http://embed.plnkr.co/VgRD8B/
//DECLARE OPTIONAL PARAMETERS
IN BELOW FUNCTION
function myFunction(i, j) {
i = i || 0;
j = j || 0;
//IN THE ABOVE LINE, (i/j)
WILL BE SET EITHER TO VALUE OF (i/j) OR TO DEFAULT VALUE (0).
}
For
example in detail
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js"></script>
<script>
//DECLARE OPTIONAL PARAMETERS
IN BELOW FUNCTION
function myFunction(i, j) {
i = i || 0;
j = j || 0;
alert('i : ' + i + ' j : ' + j);
//IN THE ABOVE LINE, (i/j)
WILL BE SET EITHER TO VALUE OF (i/j) OR TO DEFAULT VALUE (0).
}
//Calling to function.
myFunction(2);
</script>
</head>
<body>
<h1>DECLARE OPTIONAL
PARAMETERS FUNCTION</h1>
<p>
For more detail go to link
<a href="http://www.code-sample.com/">example</a>
</p>
</body>
</html>
The
output link http://embed.plnkr.co/VgRD8B/
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Anil Singh is an author, tech blogger, and software programmer. Book writing, tech blogging is something do extra and Anil love doing it. For more detail, kindly refer to this link..
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