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JavaScript: Shift Function


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

Syntax:
arrayname.shift()


Example in HEAD section:

<html>
<head>
<title>Shift Function</title>
<script language="javascript">
myArray = ["angel", "clown", "mandarin", "surgeon"];
document.writeln("myArray before: " + myArray + "<p>");
shifted = myArray.shift();
document.writeln("myArray after: " + myArray + "<p>");
document.writeln("Removed this element: " + shifted);
</script>
</head>
</html>


Example in BODY section:

<html>
<head>
<title>Shift Function</title>
</head>
<body>
<script language="javascript">
myArray = ["angel", "clown", "mandarin", "surgeon"];
document.writeln("myArray before: " + myArray + "<p>");
shifted = myArray.shift();
document.writeln("myArray after: " + myArray + "<p>");
document.writeln("Removed this element: " + shifted);
</script>
</body>
</html>



OUTPUT

myArray before: angel,clown,mandarin,surgeon

myArray after: clown,mandarin,surgeon

Removed this element: angel
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