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