JavaScript String slice()
Examples
Slice the first 5 positions:
let text = "Hello world!";
let result = text.slice(0, 5);
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From position 3 to the end:
let result = text.slice(3);
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More examples below.
Description
The slice() method extracts a part of a string.
The slice() method returns the extracted part in a new string.
The slice() method does not change the original string.
The start and end parameters specifies the part of the string to extract.
The first position is 0, the second is 1, ...
A negative number selects from the end of the string.
Syntax
string.slice(start, end)
Parameters
| Parameter | Description |
| start | Required. The start position. (First character is 0). |
| end | Optional. The end position (up to, but not including). Default is string length. |
Return Value
| Type | Description |
| A string | The extracted part of the string. |
More Examples
From position 3 to 8:
let result = text.slice(3, 8);
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Only the first character:
let result = text.slice(0, 1);
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Only the last character:
let result = text.slice(-1);
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The whole string:
let result = text.slice(0);
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Browser Support
slice() is an ECMAScript1 (JavaScriopt 1997) feature.
It is supported in all browsers:
| Chrome | Edge | Firefox | Safari | Opera | IE |
| Yes | Yes | Yes | Yes | Yes | Yes |
