JavaScript String slice() Method

slice()extracts a part of the string using the method and returns it as a new string without modifying the original string.

instartandendThe parameter specifies the part of the string to be extracted (endis not included).

The index of the first character is 0, the index of the second character is1and so on.

If omittedendIf the parameter is provided, this method will cut out the rest of the string.

Use negative indices to extract from the end of the string (see the 'More Examples' below).

Syntax:

string.slice(start, end)

Example

var str = 'www.oldtoolbag.com';
var ext = str.slice(3);

All browsers fully support the slice() method:

Method
slice()	Is	Is	Is	Is	Is

Parameter	Description
start	Required) The index starting from zero, from which the extraction begins
end	Optional) The index starting from zero, at which the extraction terminates. The character at this index is not included. If omittedendIf end is omitted, slice() extracts to the end of the string.

Return Value:	A new string containing the extracted part of the string
JavaScript Version:	ECMAScript 1

The following example uses slice() to extract positions3to9(10-1of the character: :

Example

var str = 'www.oldtoolbag.com';
var ext = str.slice(3,　10);

The following example uses slice() to extract only the last character:

Example

var str = 'www.oldtoolbag.com';
var ext = str.slice(-1);

The following example uses slice() with negative indices:

Example

var str = 'www.oldtoolbag.com';
var ext = str.slice(-8,　-3);