Examples on JavaScript: body

pop Function:
Removes the last element from an array and returns that element. This method changes the length of the array.

Syntax:
arrayname.pop()

Example in HEAD Section:

<html>
<head>
<title>pop function</title>
<script language="javascript">
myfish = ["Onion", "Bannana"," Orange", "Apple"];
document.write("<b>Before my Array is:</b> " + myfish +"<br>");
document.write("<b>Remove element in the array is:</b> " + myfish.pop());
document.write("<br><b>After my Array is:</b> " + myfish);
</script>
</head>
</html>

Example in BODY Section:

<html>
<head>
<title>pop function</title>
</head>
<body>
<script language="javascript">
myfish = ["Onion", "Bannana"," Orange", "Apple"];
document.write("<b>Before my Array is:</b> " + myfish +"<br>");
document.write("<b>Remove element in the array is:</b> " + myfish.pop());
document.write("<br><b>After my Array is:</b> " + myfish);
</script>
</body>
</html>

OUTPUT:

Before my Array is: Onion,Bannana,Orange,Apple
Remove element in the array is: Apple
After my Array is: Onion,Bannana,Orange

random function:
Returns a pseudo-random number between 0 and 1. The random number generator is seeded from the current time, as in Java.

Syntax:
random()

Description:
Because random is a static method of Math, you always use it as Math.random(), rather than as a method of a Math object you created.

Example in HEAD section:

<html>
<head>
<title>Random Function</title>
<script language="javascript">
document.write(Math.random(1));
</script>
</head>
</html>

Example in BODY section:

<html>
<head>
<title>Random Function</title>
</head>
<body>
<script language="javascript">
document.write(Math.random(1));
</script>
</body>
</html>

OUTPUT

0.7415897142562586

JavaScript: POP Function

JavaScript: Random Function

More Examples