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The deprecated escape() function computes a new string in which certain characters have been replaced by a hexadecimal escape sequence. Use encodeURI or encodeURIComponent instead.




A string to be encoded.


The escape function is a property of the global object. Special characters are encoded with the exception of: @*_+-./

The hexadecimal form for characters, whose code unit value is 0xFF or less, is a two-digit escape sequence: %xx. For characters with a greater code unit, the four-digit format %uxxxx is used.


escape("abc123");     // "abc123"
escape("äöü");        // "%E4%F6%FC"
escape("ć");          // "%u0107"

// znaki specjalne
escape("@*_+-./");    // "@*_+-./"


Specification Status Comment
ECMAScript 1st Edition (ECMA-262) Standard Initial definition.
ECMAScript 5.1 (ECMA-262)
The definition of 'escape' in that specification.
Standard Defined in the (informative) Compatibility Annex B
ECMAScript 2015 (6th Edition, ECMA-262)
The definition of 'escape' in that specification.
Standard Defined in the (normative) Annex B for Additional ECMAScript Features for Web Browsers

Browser compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) (Yes) (Yes) (Yes) (Yes)
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) (Yes) (Yes) (Yes) (Yes) (Yes)

See also

Autorzy i etykiety dokumentu

 Autorzy tej strony: kamce
 Ostatnia aktualizacja: kamce,